Accuracy of self-reported weight, height and body mass index among older people in Japan

Geriatrics & Gerontology International
Aki YazawaIchiro Kawachi

Abstract

Weight and height are usually self-reported in population-based epidemiological surveys. While the accuracy of self-reports has been extensively studied in younger populations, less is known in older populations. We investigated the accuracy of self-reported weight, height and body mass (BMI) in an older cohort in Japan, where overweight/obesity and underweight coexist. We used data from older Japanese adults (≥65 years) participating in the Japan Gerontological Evaluation Study in 2016 to 2017 (7357 men and 9271 women). Self-report data were linked to objective data obtained from clinical examinations. The mean ± standard deviation (SD) age was 74.5 ± 5.8 years, mean ± SD weight, height and BMI were 55.7 ± 10.1 kg, 156.0 ± 8.9 cm and 22.8 ± 3.1, respectively. Results showed high intraclass correlation coefficients for self-reported and measured values (0.97 for weight; 0.96 for height). While weight/height were overestimated among men (weight by 0.096 kg; height by 0.27 cm) and women (weight by 0.18 kg; height by 0.27 cm), BMI tended to be slightly underestimated (-0.034 kg/m2 for men; -0.037 kg/m2 for women). However, the absolute differences between self-reported and measured values were not negligible; people had a higher r...Continue Reading

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Mar 13, 2018·Scandinavian Journal of Public Health·Mirkka MaukonenHanna Tolonen

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Citations

Jan 15, 2021·The British Journal of Nutrition·Minji KangSong-Yi Park
Jun 4, 2021·Journal of the American Geriatrics Society·Taro KusamaJun Aida

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