Comparison of weighed food record procedures for the reference methods in two validation studies of food frequency questionnaires

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Author(s)

    • Ishii Yuri
    • Faculty of Nutritional Science, Sagami Women's University|Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • Nakamura Kazutoshi
    • Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences
    • Tanaka Junta
    • Department of Health Promotion Medicine, Niigata University Graduate School of Medical and Dental Sciences
    • Shimazu Taichi
    • Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • Yamaji Taiki
    • Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • Sasazuki Shizuka
    • Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • Sawada Norie
    • Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • Iwasaki Motoki
    • Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • Mikami Haruo
    • Division of Cancer Registry, Prevention and Epidemiology, Chiba Cancer Center Research Institute
    • Kuriki Kiyonori
    • Laboratory of Public Health, School of Food and Nutritional Sciences, University of Shizuoka
    • Naito Mariko
    • Department of Preventive Medicine, Nagoya University Graduate School of Medicine
    • Ishihara Junko
    • Faculty of Nutritional Science, Sagami Women's University|Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • Okamoto Naoko
    • Department of Public Health, Nagoya City University Graduate School of Medical Sciences
    • Kondo Fumi
    • Department of Public Health, Nagoya City University Graduate School of Medical Sciences
    • Hosono Satoyo
    • Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute
    • Miyagawa Naoko
    • Department of Public Health, Shiga University of Medical Science
    • Ozaki Etsuko
    • Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine
    • Katsuura-Kamano Sakurako
    • Department of Preventive Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School
    • Ohnaka Keizo
    • Department of Geriatric Medicine, Graduate School of Medical Sciences, Kyushu University
    • Nanri Hinako
    • Department of Public Health, Showa University School of Medicine
    • Kayama Takamasa
    • Department of Advanced Cancer Science, Yamagata University Faculty of Medicine
    • Takachi Ribeka
    • Faculty Division of Human Life and Environmental Sciences, Research Group of Food Science and Nutrition, Nara Women's University|Department of Community Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences
    • Kurihara Ayako
    • Department of Preventive Medicine and Public Health, School of Medicine, Keio University
    • Tanaka Hideo
    • Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute|Department of Epidemiology, Nagoya University Graduate School of Medicine
    • Tsugane Shoichiro
    • Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • Shinozawa Yurie
    • Epidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center
    • 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
    • Wakai Kenji
    • Department of Preventive Medicine, Nagoya University Graduate School of Medicine
    • Iso Hiroyasu
    • Public Health, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University

Abstract

<p><i>Background:</i> Although open-ended dietary assessment methods, such as weighed food records (WFRs), are generally considered to be comparable, differences between procedures may influence outcome when WFRs are conducted independently. In this paper, we assess the procedures of WFRs in two studies to describe their dietary assessment procedures and compare the subsequent outcomes.</p><p><i>Methods:</i> WFRs of 12 days (3 days for four seasons) were conducted as reference methods for intake data, in accordance with the study protocol, among a subsample of participants of two large cohort studies. We compared the WFR procedures descriptively. We also compared some dietary intake variables, such as the frequency of foods and dishes and contributing foods, to determine whether there were differences in the portion size distribution and intra- and inter-individual variation in nutrient intakes caused by the difference in procedures.</p><p><i>Results:</i> General procedures of the dietary records were conducted in accordance with the National Health and Nutrition Survey and were the same for both studies. Differences were seen in 1) selection of multiple days (non-consecutive days versus consecutive days); and 2) survey sheet recording method (individual versus family participation). However, the foods contributing to intake of energy and selected nutrients, the portion size distribution, and intra- and inter-individual variation in nutrient intakes were similar between the two studies.</p><p><i>Conclusion:</i> Our comparison of WFR procedures in two independent studies revealed several differences. Notwithstanding these procedural differences, however, the subsequent outcomes were similar.</p>

Journal

  • Journal of Epidemiology

    Journal of Epidemiology 27(7), 331-337, 2017

    Japan Epidemiological Association

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