Patterns of objectively assessed sedentary time and physical activity among Japanese workers: A cross-sectional observational study

Satoshi Kurita, Ai Shibata*, Kaori Ishii, Mohammad Javad Koohsari, Neville Owen, Koichiro Oka

*この研究の対応する著者

研究成果: Article査読

26 被引用数 (Scopus)

抄録

Objectives To examine patterns of sedentary behaviour and physical activity, among Japanese workers with differing occupational activity types. Design A cross-sectional observational study in 2013-2015. Setting Two local communities in Japan. Participants Full-time workers aged 40-64 years (n=345; 55% men) and who lived in two cities. Main outcome measures From accelerometer data for 7 days, mean overall sedentary time, prolonged bouts of sedentary time and light-and moderate-to vigorous-intensity of physical activity (LPA and MVPA) as a proportion of accelerometer wear time and number of breaks per sedentary hour were identified for four time periods: working hours, workdays, non-work hours and non-workdays. These sedentary behaviour and physical activity measures in the four time periods were examined among workers with four self-attributed occupational activity types (mainly sitting, standing, walking, and physical labour), adjusting for sociodemographic attributes. Diurnal patterns of sedentary behaviour, LPA, and MVPA were examined. Results In working hours, those with a sitting job had significantly more total and prolonged sedentary time (total: P<0.001; prolonged: P<0.01) along with less LPA (p<0.001) and MVPA (p<0.001) and less frequent breaks (p<0.01), compared with those with the three more active job type. Similar differences by job type were found for the whole working day, but not for prolonged sedentary time and breaks. On non-working hours and days, differences in sedentary and physically active patterns by job type were not apparent. Conclusions Occupational activity type is related to overall sedentary time and patterns on working days, but not to leisure-time sitting and activity patterns, which were similar across the sitting, standing, walking, and physical labour occupational activity types.

本文言語English
論文番号e021690
ジャーナルBMJ open
9
2
DOI
出版ステータスPublished - 2019 2月 1

ASJC Scopus subject areas

  • 医学一般

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