Document Detail

Development and testing of a quantitative food frequency questionnaire for use in Kerala, India.
MedLine Citation:
PMID:  10933409     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To develop and test a food frequency questionnaire (FFQ) for use in rural areas of Kerala, India. DESIGN: Based on food use and market surveys of the study area, a quantitative 81-item interviewer-administered FFQ was developed. A validation study was conducted consisting of 24-h diet recalls (24HR) administered on 8 days randomly selected over an entire year and two administrations of the FFQ, one at the beginning of the 1-year period and the other at the end. FFQ and 24HR-derived nutrient scores were compared using correlation and regression analyses and by examining differences in the nutrient scores. SETTING: Rural villages in Ernakulum district, Kerala, South India. SUBJECTS: In each of 30 households, the male head of household and female food preparer were enrolled. RESULTS: Pearson (parametric) correlation coefficients (r(p)) averaged about 0.50 in comparing nutrient scores derived from the 24HR with those from the first FFQ and about 0.55 in comparing the second FFQ. On average, Spearman correlation coefficients (r(s)) were slightly lower than the r(p) in comparing the scores derived from the first FFQ, but virtually identical for the second FFQ. Regression analyses indicated better agreement in the comparison of the 24HR-derived scores with the first FFQ than the second FFQ. Difference scores, however, tended to be larger in comparing the first FFQ scores with the 24HR. CONCLUSIONS: This FFQ produces results broadly comparable to those used in Europe and North America, indicating its suitability for comparing exposures within a study population in reference to health-related endpoints.
J R Hebert; P C Gupta; R B Bhonsle; P R Murti; H Mehta; F Verghese; M Aghi; K Krishnaswamy; F S Mehta
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Public health nutrition     Volume:  1     ISSN:  1368-9800     ISO Abbreviation:  Public Health Nutr     Publication Date:  1998 Jun 
Date Detail:
Created Date:  2000-08-23     Completed Date:  2000-08-23     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9808463     Medline TA:  Public Health Nutr     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  123-30     Citation Subset:  IM    
Department of Medicine, University of Massachusetts Medical School, Worcester 01655, USA.
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MeSH Terms
Diet Records*
Diet Surveys*
Interviews as Topic
Linear Models
Mental Recall
Questionnaires / standards*
Reproducibility of Results
Rural Health / statistics & numerical data
Grant Support
N-406-645//PHS HHS

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