著者
Shiho Amagasa Shigeru Inoue Shigekazu Ukawa Sachiko Sasaki Koshi Nakamura Aya Yoshimura Aya Tanaka Takashi Kimura Takafumi Nakagawa Akihiro Imae Ding Ding Hiroyuki Kikuchi Akiko Tamakoshi
出版者
Japan Epidemiological Association
雑誌
Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日
pp.JE20200185, (Released:2020-08-08)
参考文献数
51
被引用文献数
1

BackgroundPrevious research has established that women accumulate less moderate-to-vigorous physical activity (MVPA) than men. To date, however, little is known about the gender differences in device-based activity patterns of sedentary behavior (SB) and light-intensity physical activity (LPA). We aimed to compare time spent in SB and different intensities of physical activity taking into account of co-dependence of time use domains.MethodsThis cross-sectional study was conducted in Suttu town, Hokkaido, Japan. Data were analyzed from 634 Japanese adults (278 men, aged 19-92 years) who provided valid accelerometer (HJA-750C) data. Gender differences in activity behavior patterns were tested by multivariate analysis of covariance (MANCOVA) based on isometric log-ratio transformations of time use, adjusting for age. We also developed bootstrap percentile confidence intervals (CI) to support the interpretation of which behavior differed between genders.ResultsOverall, participants had percent time spent in SB, LPA, MVPA during wearing time (mean 14.8 hours) corresponding to 53.9%, 41.7%, and 4.4%, respectively. Activity behavior patterns differed significantly between genders after controlling for time spent in all activities. Women spent relatively 13.3% (CI: 9.9, 15.9) less time in SB and 19.8% (CI: 14.9, 24.6) more time in LPA compared to men. The difference of time spent in MVPA was not statistically significant.ConclusionsIn contrast with previous studies, our findings suggest that Japanese women are more physically active than men when all intensities of activities are considered. Given the health benefits of LPA, evaluating only MVPA may disproportionately underestimate the level of physical activity of women.

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Are Japanese women less physically active than men? Findings from the DOSANCO Health Study https://t.co/Vs3nAQQ9RO @SK17runrun @DrMelodyDing https://t.co/aE52cHS1rZ

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