CDE Detailed Report

Disease: Spinal Cord Injury
Subdomain Name: Epidemiology/Environmental History
CRF: Food Frequency Questionnaire (FFQ)

Displaying 201 - 239 of 239
CDE ID CDE Name Variable Name Definition Short Description Question Text Permissible Values Description Data Type Disease Specific Instructions Disease Specific Reference Population Classification (e.g., Core) Version Number Version Date CRF Name (CRF Module / Guidance) Subdomain Name Domain Name Size Input Restrictions Min Value Max Value Measurement Type External Id Loinc External Id Snomed External Id caDSR External Id CDISC
C09668 Food Frequency Questionnaire - (FFQ)-vitamin E indicator FFQVitEInd Vitamin E indicator, as part of Food Frequency Questionnaire -(FFQ) Vitamin E indicator, as part of Food Frequency Questionnaire -(FFQ) Not counting multi-vitamins, do you currently take Vitamin E? No;Yes, currently take it No;Yes, currently take it Alphanumeric

Do not report content of multi-vitamins mentioned in Q1. If no, skip to FFQ Q2-7

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09679 Food Frequency Questionnaire - (FFQ)-zinc daily dose FFQZnDlyAmnInd Dose per day of Zinc, as part of Food Frequency Questionnaire -(FFQ) Dose per day of Zinc, as part of Food Frequency Questionnaire -(FFQ) Dose per day? Less than 25 mg;25 to 74 mg;75 to 100 mg;101 mg or more;Don't know Less than 25 mg;25 to 74 mg;75 to 100 mg;101 mg or more;Don't know Alphanumeric

Only answered if "Yes, currently take it" is answered for "Zinc".

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09848 Food Frequency Questionnaire - (FFQ)-wheat germ indicator FFQWhtGermInd Average total amount of wheat germ the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of wheat germ the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Wheat germ (1 tbs) Never;Less than once per month;1-3 tbs per month;1 tbs per week;2-4 tbs per week;5-6 tbs per week;1 tbs per day;2 or more servings per day Never;Less than once per month;1-3 tbs per month;1 tbs per week;2-4 tbs per week;5-6 tbs per week;1 tbs per day;2 or more servings per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09775 Food Frequency Questionnaire - (FFQ)-beef lamb main dish indicator FFQBefLmbManDisInd Average total amount of beef or lamb as a main dish the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of beef or lamb as a main dish the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Beef or lamb as a main dish, e.g., steak, roast (4-6 oz.) Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;1 or more times per day Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;1 or more times per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09711 Food Frequency Questionnaire - (FFQ)-margarine spreadable butter type indicator FFQMarSpreButTypInd Type of margarine or spreadable butter the subject usually uses, as part of Food Frequency Questionnaire -(FFQ) Type of margarine or spreadable butter the subject usually uses, as part of Food Frequency Questionnaire -(FFQ) What type of margarine or spreadable butter do you usually use? Regular;Light spread;Nonfat Regular;Light spread;Nonfat Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09880 Food Frequency Questionnaire - (FFQ)-fruit use ten years indicator FFQFruitUseTenYrInd Indicator of how the subjects use of fruits changed over the past ten years, as part of Food Frequency Questionnaire -(FFQ) Indicator of how the subjects use of fruits changed over the past ten years, as part of Food Frequency Questionnaire -(FFQ) How has your use of fruits changed over the past ten years? Use has decreased;Use about the same;Use has increased Use has decreased;Use about the same;Use has increased Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09807 Food Frequency Questionnaire - (FFQ)-punch lemonade sports drinks sugared iced tea indicator FFQPnchLemSprtDrnkSugIceTeaInd Average total amount of punch, lemonade, sports drinks, or sugared ice tea the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of punch, lemonade, sports drinks, or sugared ice tea the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) Punch, lemonade, sports drinks, or sugared ice tea (1 glass, bottle, can) Never;Less than once per month;1-3 glasses per month;1 glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2-3 glasses per day;4 or more glasses per day Never;Less than once per month;1-3 glasses per month;1 glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2-3 glasses per day;4 or more glasses per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09816 Food Frequency Questionnaire - (FFQ)-decaffeinated coffee indicator FFQDecaffCoffInd Average total amount of decaffeinated coffee the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of decaffeinated coffee the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Decaffeinated coffee (8 oz. cup) Never;Less than once per month;1-3 cups per month;1 cup per week;2-4 cups per week;5-6 cups per week;1 cup per day;2-3 cups per day;4-5 cups per day;6+ cups per day Never;Less than once per month;1-3 cups per month;1 cup per week;2-4 cups per week;5-6 cups per week;1 cup per day;2-3 cups per day;4-5 cups per day;6+ cups per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09743 Food Frequency Questionnaire - (FFQ)-cooked carrots indicator FFQCokdCarrInd Average total amount of cooked carrots the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of cooked carrots the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Carrots, cooked (1/2 cup) or carrot juice (2-3 oz.) Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09690 Food Frequency Questionnaire - (FFQ)-current supplement indicator FFQCurSuppInd Other supplements subject is currently taking on a regular basis, as part of Food Frequency Questionnaire -(FFQ) Other supplements subject is currently taking on a regular basis, as part of Food Frequency Questionnaire -(FFQ) Which other supplements are you taking currently on a regular basis (at least once per week)? None;Metamucil;Cod liver oil;Brewer's yeast;Folic acid or folate (B9);Magnesium;Niacin;Vitamin B12;Flaxseed oil;Flaxseed;B-complex;Melatonin;Chromium;Lecithin;Coenzyme Q10;Choline;Evening primrose;Ginkgo biloba;Lycopene;DHEA;Glucosamine/Chondroitin;Other None;Metamucil;Cod liver oil;Brewer's yeast;Folic acid or folate (B9);Magnesium;Niacin;Vitamin B12;Flaxseed oil;Flaxseed;B-complex;Melatonin;Chromium;Lecithin;Coenzyme Q10;Choline;Evening primrose;Ginkgo biloba;Lycopene;DHEA;Glucosamine/Chondroitin;Other Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09859 Food Frequency Questionnaire - (FFQ)-salad dressing type indicator FFQDrssTypInd Type of salad dressing the subject uses, as part of Food Frequency Questionnaire -(FFQ) Type of salad dressing the subject uses, as part of Food Frequency Questionnaire -(FFQ) Type of salad dressing Nonfat;Low fat;Olive oil dressing;Other vegetable oil dressing Nonfat;Low fat;Olive oil dressing;Other vegetable oil dressing Alphanumeric

Only answered if anything other than "Never" is answered for FFQ Q9-37

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09786 Food Frequency Questionnaire - (FFQ)-brand type cold breakfast cereal indicator FFQBrndTypCldBrkfstCerlInd Brand and type of cold breakfast cereal the subject usually eats, as part of Food Frequency Questionnaire -(FFQ) Brand and type of cold breakfast cereal the subject usually eats, as part of Food Frequency Questionnaire -(FFQ) What brand and type of cold breakfast cereal do you usually eat? Alphanumeric

Specify brand & type (e.g., "General Mills Rice Chex")

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History 255

Free-Form Entry

C09722 Food Frequency Questionnaire - (FFQ)-oranges indicator FFQOrngInd Average total amount of oranges the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of oranges the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Oranges (1) Never;Less than once per month;1-3x/mo;1 per week;2-4 per week;5-6 per week;One per day;2-3 per day;4 or more per day Never;Less than once per month;1-3x/mo (1-3 times per month);1 per week;2-4 per week;5-6 per week;One per day;2-3 per day;4 or more per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food. 'Please try to average your seasonal use of foods over the entire year. For example, if a food such as cantaloupe is eaten 4 times a week during the 3 months that it is in season, then average total use would be once per week over the year

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09658 Food Frequency Questionnaire - (FFQ)-beta carotene duration FFQBetCarDuration Beta carotene indicator, as part of Food Frequency Questionnaire -(FFQ) Beta carotene indicator, as part of Food Frequency Questionnaire -(FFQ) How long have you taken beta carotene? 0-1 year;2-4 years;5-9 years;10 years or more 0-1 year;2-4 years;5-9 years;10 years or more Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09827 Food Frequency Questionnaire - (FFQ)-pretzels indicator FFQPretzInd Average total amount of pretzels the subject ate over this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of pretzels the subject ate over this past year, as part of Food Frequency Questionnaire -(FFQ) Pretzels (1 small bag or serving) Never;Less than once per month;1-3 servings per month;1 serving per week;2-4 servings per week;5-6 servings per week;1 serving per day;2 or more servings per day Never;Less than once per month;1-3 servings per month;1 serving per week;2-4 servings per week;5-6 servings per week;1 serving per day;2 or more servings per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09754 Food Frequency Questionnaire - (FFQ)-Iceberg head lettuce indicator FFQIcebrgHedLettInd Average total amount of iceberg or head lettuce the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of iceberg or head lettuce the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Iceberg or head lettuce (serving) Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09838 Food Frequency Questionnaire - (FFQ)-sweet roll coffee cake other ready made pastry indicator FFQSwRllCffCkeOthRdyMdPstryInd Average total amount of sweet roll, coffee cake or other ready-made pastry the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of sweet roll, coffee cake or other ready-made pastry the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Sweet roll, coffee cake or other ready-made pastry (serving) Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09765 Food Frequency Questionnaire - (FFQ)-other chicken turkey skin indicator FFQOthChicknTurkSkinInd Average total amount of other chicken or turkey, with skin the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of other chicken or turkey, with skin the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Other chicken or turkey, with skin (3 oz.) Never;Less than once per month;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day;1-3x/mo Never;Less than once per month;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day;1-3x/mo (1-3 times per month) Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09701 Food Frequency Questionnaire - (FFQ)-low carb artificially sweetened plain yogurt indicator FFQLoCrbArtSwePlanYoInd Average total amount of yogurt (low carb, artificially sweetened or plain) the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of yogurt (low carb, artificially sweetened or plain) the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Yogurt, low carb, artificially sweetened or plain (1 cup) Never;Less than once per month;1-3 cups per month;Once per week;2-4 cups per week;5-6 cups per week;Once per day;2 or more servings per day Never;Less than once per month;1-3 cups per month;Once per week;2-4 cups per week;5-6 cups per week;Once per day;2 or more servings per day Alphanumeric

For each food listed, indicate your average total use of the amount specified during the past year

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09870 Food Frequency Questionnaire - (FFQ)-type special diet indicator FFQTypSpeclDietInd Type of special diet the subject eats, as part of Food Frequency Questionnaire -(FFQ) Type of special diet the subject eats, as part of Food Frequency Questionnaire -(FFQ) Type of special diet Physician prescribed;Self prescribed Physician prescribed;Self prescribed Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09797 Food Frequency Questionnaire - (FFQ)-pancakes waffles indicator FFQPanckWaffInd Average total amount of pancakes or waffles the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of pancakes or waffles the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Pancakes or waffles (2 small pieces) Never;Less than once per month;1-3 times per week;1 serving per week;2-4 servings per week;5-6 servings per week;1 serving per day;2 or more servings per day Never;Less than once per month;1-3 times per week;1 serving per week;2-4 servings per week;5-6 servings per week;1 serving per day;2 or more servings per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09733 Food Frequency Questionnaire - (FFQ)-tomato V8 juice indicator FFQTomV8JucInd Average total amount of tomato or V8 juice the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of tomato or V8 juice the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Tomato or V8 juice (small glass) Never;Less than once per month;1-3 glasses per month;1 glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day Never;Less than once per month;1-3 glasses per month;1 glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09669 Food Frequency Questionnaire - (FFQ)-vitamin E daily dose FFQVitEDlyDose Dose per day of Vitamin E, as part of Food Frequency Questionnaire -(FFQ) Dose per day of Vitamin E, as part of Food Frequency Questionnaire -(FFQ) Dose per day? Less than 100 IU;100 to 250 IU;300 to 500 IU;600 IU or more;Don't know Less than 100 IU;100 to 250 IU;300 to 500 IU;600 IU or more;Don't know Alphanumeric

Only answered if "Yes, currently take it" is answered for "Vitamin E"

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09680 Food Frequency Questionnaire - (FFQ)-zinc duration FFQZnDuration Duration of Zinc intake, as part of Food Frequency Questionnaire -(FFQ) Duration of Zinc intake, as part of Food Frequency Questionnaire -(FFQ) How long? 0-1 year;2-4 years;5-9 years;10 years or more 0-1 year;2-4 years;5-9 years;10 years or more Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09849 Food Frequency Questionnaire - (FFQ)-chowder cream soup indicator FFQChwdrCrmSopInd Average total amount of chowder or cream soup the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of chowder or cream soup the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Chowder or cream soup (1 cup) Never;Less than once per month;1-3 cups per month;1 cup per week;2-4 cups per week;5-6 cups per week;1 or more cups per day Never;Less than once per month;1-3 cups per month;1 cup per week;2-4 cups per week;5-6 cups per week;1 or more cups per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09776 Food Frequency Questionnaire - (FFQ)-liver beef calf pork indicator FFQLivrBefClfPrkInd Average total amount of liver: beef, calf or pork the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of liver: beef, calf or pork the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Liver: beef, calf or pork (4 oz.) Never;Less than once per month;1 time per month;2-3 times per month;Once per week;2 or more servings per week Never;Less than once per month;1 time per month;2-3 times per month;Once per week;2 or more servings per week Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09712 Food Frequency Questionnaire - (FFQ)-specific brand margarine spreadable butter indicator FFQSpecBrndMargSprdButInd Specific brand and type of margarine or spreadable butter the subjects usually uses, as part of Food Frequency Questionnaire -(FFQ) Specific brand and type of margarine or spreadable butter the subjects usually uses, as part of Food Frequency Questionnaire -(FFQ) What specific brand and type of margarine or spreadable butter do you usually use ? Alphanumeric

Specify the brand name and type of margarine or spreadable butter used (e.g., Shedd's Spread Country Crock Light Tub)

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History 255

Free-Form Entry

C09881 Food Frequency Questionnaire - (FFQ)-vegetable use ten years indicator FFQVegUseTenYrInd Indicator of how the subjects use of vegetables changed over the past ten years, as part of Food Frequency Questionnaire -(FFQ) Indicator of how the subjects use of vegetables changed over the past ten years, as part of Food Frequency Questionnaire -(FFQ) How has your use of vegetables changed over the past ten years? Use has decreased;Use about the same;Use has increased Use has decreased;Use about the same;Use has increased Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09808 Food Frequency Questionnaire - (FFQ)-regular beer indicator FFQRegBeerInd Average total amount of regular beer the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of regular beer the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) Beer, regular (1 glass, bottle, can) Never;Less than once per month;1-3 cans per month;1 can per week;2-4 cans per week;5-6 cans per week;1 can per day;2-3 cans per day;4-5 cans per day;6+ cans per day Never;Less than once per month;1-3 cans per month;1 can per week;2-4 cans per week;5-6 cans per week;1 can per day;2-3 cans per day;4-5 cans per day;6+ cans per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food. 'Consider the serving size as one 12 oz. glass, bottle or can for these carbonated beverages.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09648 Food Frequency Questionnaire - (FFQ)-current multi-vitamins indicator FFQCurrMultvitInd Subjects current multi-vitamins taken, as part of Food Frequency Questionnaire -(FFQ) Subjects current multi-vitamins taken, as part of Food Frequency Questionnaire -(FFQ) Do you currently take multi-vitamins?(Please report other individual vitamins in question 2) No;Yes No;Yes Alphanumeric

Now that you have completed the questionnaire, it is time to score your results and evaluate your level of fatigue. It's simple: Add all the numbers you circled to get your total score.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09817 Food Frequency Questionnaire - (FFQ)-coffee caffeine indicator FFQCoffCaffInd Average total amount of coffee with caffeine the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of coffee with caffeine the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Coffee with caffeine (8 oz. cup) Never;Less than once per month;1-3 cups per month;1 cup per week;2-4 cups per week;5-6 cups per week;1 cup per day;2-3 cups per day;4-5 cups per day;6+ cups per day Never;Less than once per month;1-3 cups per month;1 cup per week;2-4 cups per week;5-6 cups per week;1 cup per day;2-3 cups per day;4-5 cups per day;6+ cups per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09744 Food Frequency Questionnaire - (FFQ)-corn indicator FFQCrnInd Average total amount of corn the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of corn the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) Corn (1 ear or 1/2 cup frozen or canned) Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 or more servings per day Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 or more servings per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09691 Food Frequency Questionnaire - (FFQ)-other supplements taken indicator FFQOthSupTakInd Name of the other supplements are you taking currently on a regular basis (at least once per week), as part of Food Frequency Questionnaire -(FFQ) Name of the other supplements are you taking currently on a regular basis (at least once per week), as part of Food Frequency Questionnaire -(FFQ) Other Supplements (specify) Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History 255

Free-Form Entry

C09860 Food Frequency Questionnaire - (FFQ)-olive oil added food indicator FFQOlvOilAddFdInd Average total amount for olive oil the subject added to food or bread this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount for olive oil the subject added to food or bread this past year, as part of Food Frequency Questionnaire -(FFQ) Olive oil added to food or bread (1 tbs.); exclude use in cooking Never;Less than once per month;1-3 tbs. per month;1 tbs. per week;2-4 tbs. per week;5-6 tbs. per week;1 tbs. per day;2-3 tbs. per day;4-5 tbs. per day;6+ tbs. per day Never;Less than once per month;1-3 tbs. per month;1 tbs. per week;2-4 tbs. per week;5-6 tbs. per week;1 tbs. per day;2-3 tbs. per day;4-5 tbs. per day;6+ tbs. per day Alphanumeric

No instructions available

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09787 Food Frequency Questionnaire - (FFQ)-white bread indicator FFQWhtBrdInd Average total amount of white bread, including pita bread the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of white bread, including pita bread the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) White bread (slice), including pita bread Never;Less than once per month;1-3 slicer per month;1 slice per week;2-4 slices per week;5-6 slices per week;1 slice per day;2-3 slices per day;4-5 slices per day;6+ slices per day Never;Less than once per month;1-3 slicer per month;1 slice per week;2-4 slices per week;5-6 slices per week;1 slice per day;2-3 slices per day;4-5 slices per day;6+ slices per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09723 Food Frequency Questionnaire - (FFQ)-orange juice calcium fortified indicator FFQOrngJucCalcFortInd Average total amount of orange juice the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of orange juice the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Orange juice - calcium fortified (small glass) Never;Less than once per month;1-3 glasses per month;One glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day Never;Less than once per month;1-3 glasses per month;One glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food. 'Please try to average your seasonal use of foods over the entire year. For example, if a food such as cantaloupe is eaten 4 times a week during the 3 months that it is in season, then average total use would be once per week over the year

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09659 Food Frequency Questionnaire - (FFQ)-vitamin B6 indicator FFQVitB6Ind Vitamin B6 indicator, as part of Food Frequency Questionnaire -(FFQ) Vitamin B6 indicator, as part of Food Frequency Questionnaire -(FFQ) Not counting multi-vitamins, do you currently take Vitamin B6? No;Yes, currently take it No;Yes, currently take it Alphanumeric

Do not report content of multi-vitamins mentioned in Q1. If no, skip to FFQ Q2-4

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09828 Food Frequency Questionnaire - (FFQ)-fat free reduced cookies indicator FFQFatFreRedcCksInd Average total amount of fat free or reduced fat cookies the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of fat free or reduced fat cookies the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) Cookies, fat free or reduced fat (1); Never;Less than once per month;1 cookie per week;2-4 cookies per week;5-6 cookies per week;1 cookie per day;2-3 cookies per day;4 or more cookies per day;1-3 cookies per month Never;Less than once per month;1 cookie per week;2-4 cookies per week;5-6 cookies per week;1 cookie per day;2-3 cookies per day;4 or more cookies per day;1-3 cookies per month Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

C09755 Food Frequency Questionnaire - (FFQ)-Romaine leaf lettuce indicator FFQRomnLefLettInd Average total amount of romaine or lead lettuce the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Average total amount of romaine or lead lettuce the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) Romaine or leaf lettuce (serving) Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day Alphanumeric

Please fill in your average total use, during the past year, of each specified food.

W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Adult Exploratory 3.00 2013-07-22 09:34:41.527 Food Frequency Questionnaire (FFQ) Epidemiology/Environmental History Participant History and Family History

Single Pre-Defined Value Selected

CSV