Document Detail


Validity of a food frequency questionnaire and a food diary in a short-term recall situation.
MedLine Citation:
PMID:  3655166     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The purpose of this study was to compare intakes of eight nutrients computed from a food frequency questionnaire (FFQ) and from 3-day food diaries with known values. Total food intake of 19 healthy adult volunteers (10 men and 9 women) was monitored for 2 weeks. Each week, subjects completed a 3-day diary and a 1-week FFQ. Subjects had previously completed one diary and one FFQ with respect to their usual diets. FFQs and diaries were analyzed for calories, protein, fat, cholesterol, calcium, iron, vitamin A, and vitamin C. All nutrients were underestimated by the FFQ (all p less than .05). Subjects omitted foods from the FFQ and incorrectly reported consumption frequencies. Vitamin A (p less than .001) and calories (p less than .05) were underestimated by the food diary. It is concluded that factors such as frequency of eating, pairing of foods, and explicitness of FFQ items affect recall accuracy. Those factors could influence the choice of FFQ design and administration.
Authors:
E A Krall; J T Dwyer
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of the American Dietetic Association     Volume:  87     ISSN:  0002-8223     ISO Abbreviation:  J Am Diet Assoc     Publication Date:  1987 Oct 
Date Detail:
Created Date:  1987-11-18     Completed Date:  1987-11-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7503061     Medline TA:  J Am Diet Assoc     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1374-7     Citation Subset:  AIM; IM    
Affiliation:
Tufts University, Boston.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Diet*
Eating
Female
Humans
Male
Memory*
Mental Recall*
Middle Aged
Questionnaires
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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