Document Detail

Assessing consumption of high-fat foods: the effect of grouping foods into single questions.
MedLine Citation:
PMID:  1420515     Owner:  NLM     Status:  MEDLINE    
Questionnaires on the frequency of consumption of foods are commonly used to measure dietary intake in epidemiologic research. To reduce the burden on respondents, questionnaires are often shortened by combining inquiries on similar foods into a single question. The effect of this practice on the reporting of dietary intake has never been investigated, however. To address this issue, we used two food frequency questionnaires in a telephone survey designed to rank adult residents of Alabama by their intake of dietary fat. One questionnaire included 29 questions about separate high-fat foods, whereas the other grouped these same foods into 14 questions. Compared with the 443 respondents interviewed using the 29-item separated-foods questionnaire, the 465 respondents responding to the 14-item grouped-foods questionnaire reported lower average intakes of the foods. In addition, a substantially higher percentage of respondents to the grouped-foods questionnaire reported never consuming the foods.
M Serdula; T Byers; R Coates; A Mokdad; E J Simoes; L Eldridge
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Epidemiology (Cambridge, Mass.)     Volume:  3     ISSN:  1044-3983     ISO Abbreviation:  Epidemiology     Publication Date:  1992 Nov 
Date Detail:
Created Date:  1992-12-21     Completed Date:  1992-12-21     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9009644     Medline TA:  Epidemiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  503-8     Citation Subset:  IM    
Epidemiology Branch, Centers for Disease Control, Atlanta, GA 30333.
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MeSH Terms
Dietary Fats / administration & dosage*,  classification
Middle Aged
Nutrition Assessment*
Nutrition Surveys*
Reg. No./Substance:
0/Dietary Fats

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