Reproducibility of a Short Food Frequency Questionnaire for Japanese General Population

DOI Web Site PubMed 被引用文献82件 参考文献25件
  • Imaeda Nahomi
    Department of Food Science and Nutrition, Faculty of Human Life and Environmental Sciences, Nagoya Women's University.
  • Goto Chiho
    Department of Health and Nutrition, School of Health and Human Life, Nagoya-bunri University.
  • Tokudome Yuko
    Department of Health and Nutrition, School of Health and Human Life, Nagoya-bunri University.
  • Hirose Kaoru
    Department of Planning and Information, Aichi Prefectural Institute of Public Health.
  • Tajima Kazuo
    Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute.
  • Tokudome Shinkan
    Department of Health Promotion and Preventive Medicine, Nagoya City University Graduate School of Medical Sciences.

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BACKGROUND: In epidemiologic field studies, a food frequency questionnaire (FFQ) is one of the most feasible tools to assess usual dietary habits. The purpose of this study is to evaluate the reproducibility of consumption of foods and nutrients assessed with a self-administered short FFQ in a Japanese general population.<br>METHODS: We have investigated 1-year interval reproducibility of a self-administered short FFQ, comprising 47 food items, and 8 frequency categories, among 1,918 subjects (844 males and 1,074 females) who participated in health check-up programs in Central Japan.<br>RESULTS: Intakes of energy and 24 nutrients along with 15 food groups estimated using the first questionnaire (FFQ1) were approximately equal to those using the second (FFQ2). Spearman's rank correlation coefficients (CCs) between intakes of nutrients quantified with FFQ1 and FFQ2 in males were distributed as 0.74 - 0.66- 0.55 (maximum - median - minimum), and intraclass CCs (ICCs) as 0.85 - 0.78 - 0.67. Among females, Spearman's rank CCs were distributed as 0.73 - 0.62 - 0.54, and ICCs as 0.84 - 0.77 - 0.69. Percentages of exact agreement, exact agreement plus agreement within adjacent categories and disagreement according to quintile categorization were 43%, 80%, and 1%, for males, and 42%, 79%, and 1% for females. Reproducibility figures were higher for the elderly than for young people in both sexes.<br>CONCLUSIONS: Our FFQ yielded substantially high reproducibility and it may be applicable for assessing consumption of foods/food groups and energy and selected nutrients for the middle-aged and elderly population in Japan.<br>J Epidemiol 2007; 17: 100-107.

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