Food Frequency Questionnaire - (FFQ)-vitamin D indicator

General Details:

Name:
Food Frequency Questionnaire - (FFQ)-vitamin D indicator
Steward:
NINDS
Definition:
Vitamin D indicator, as part of Food Frequency Questionnaire -(FFQ)
Registration Status:
Qualified

Permissible Values:

Value Type:
Value List
Unit of Measure:
Ids:
Value Code Name Code Code System Code Description
No No No
Yes, seasonal only Yes, seasonal only Yes, seasonal only
Yes, currently take it most months Yes, currently take it most months Yes, currently take it most months

Designations:

Designation:
Food Frequency Questionnaire - (FFQ)-vitamin D indicator
Tags:
Designation:
Not counting multi-vitamins, do you currently take Vitamin D?
Tags:
Question Text

Designations:

Definition:
Vitamin D indicator, as part of Food Frequency Questionnaire -(FFQ)
Tags:

Reference Documents:

ID:
Title:
URI:
Provider Org:
Language Code:
Document:
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.

Identifiers:

Source:
NLM
Id:
Cq3H3H4f47b
Version:
3.1
Source:
NINDS
Id:
C09665
Version:
3
Source:
BRICS Variable Name
Id:
FFQVitDInd
Version: