Document Detail


Reproducibility of a semi-quantitative food frequency questionnaire in Japanese female dietitians.
MedLine Citation:
PMID:  11848184     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To examine reproducibility of assessed intake of foods and nutrients according to a semi-quantitative food frequency questionnaire (SQFFQ) in Japanese female dietitians. SUBJECTS AND METHODS: An SQFFQ was self-administered to 106 (21 male and 85 female) Japanese dietitians in Aichi prefecture in autumn 1996 and the same questionnaire was repeated in autumn 1997. Reproducibility was evaluated in terms of consumption of 15 foods and energy and 30 macro- and micro-nutrients based on the SQFFQ from 84 Japanese female dietitians. RESULTS: For intake of foods, Pearson's correlation coefficients (CCs) with log-transformation and energy adjustment (minimum-median-maximum) ranged from 0.35 (beverages)-0.61-0.71 (dairy products). ANOVA intraclass correlation coefficients (ICCs) with log-transformation and energy adjustment ranged from 0.49 (beverages)-0.74-0.82 (dairy products). Spearman's rank CCs with energy adjustment ranged from 0.43 (confectionery)-0.57-0.76 (dairy products). Weighted kappa statistics with energy adjustment ranged from 0.34 (confectionery)-0.49-0.71 (dairy products). For consumption of nutrients, Pearson's CCs with log-transformation and energy adjustment ranged from 0.23 (zinc)-0.55-0.74 (insoluble dietary fiber). ANOVA ICCs with log-transformation and energy adjustment ranged from 0.37 (zinc)-0.70-0.84 (insoluble dietary fiber). Spearman's rank CCs with energy adjustment ranged from 0.25 (zinc)-0.56-0.74 (magnesium). Weighted kappa statistics with energy adjustment ranged from 0.25 (zinc)-0.50-0.68 (insoluble dietary fiber). CONCLUSIONS: Substantially high reproducibility of consumption of foods and nutrients was attained from an SOFFQ self-administered to Japanese female dietitians.
Authors:
Nahomi Imaeda; Nakako Fujiwara; Yuko Tokudome; Masato Ikeda; Kiyonori Kuriki; Teruo Nagaya; Juichi Sato; Chiho Goto; Shinzo Maki; Shinkan Tokudome
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of epidemiology / Japan Epidemiological Association     Volume:  12     ISSN:  0917-5040     ISO Abbreviation:  J Epidemiol     Publication Date:  2002 Jan 
Date Detail:
Created Date:  2002-02-18     Completed Date:  2002-03-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9607688     Medline TA:  J Epidemiol     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  45-53     Citation Subset:  IM    
Affiliation:
Nagoya City School of Nutrition, Nagoya, Japan.
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MeSH Terms
Descriptor/Qualifier:
Analysis of Variance
Calibration
Diet Records*
Dietetics
Energy Intake
Female
Food Habits
Humans
Japan
Questionnaires / standards*
Reproducibility of Results

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


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