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Different associations of routine work time with exercise behavior and objectively measured physical activity among middle-aged and older adults: a daily and longitudinal analysis

Abstract

This study examined whether routine work time was associated with exercise time, moderate-to-vigorous physical activity (MVPA), and step counts (SC) among middle-aged and older adults. A 7-day diary survey was conducted with 158 adults, and 138 participated in the 1-year follow-up survey for measuring routine work time and exercise time. An accelerometer was used to measure MVPA and SC, and a questionnaire assessed perceived barriers and self-efficacy. Daily analyses revealed that while longer routine work time was associated with shorter exercise time after adjusting for perceived exercise barriers and exercise self-efficacy, it was associated with higher amounts of MVPA and SC. Longitudinal analysis showed that increased routine work time was associated with decreased exercise time and increased MVPA and SC. Changes in perceived barriers and self-efficacy did not mediate these associations. Actual lack of time would inhibit exercise behavior independently of perceived barriers and self-efficacy but elevates MVPA and SC.

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Funding

Funding

This work was supported by the Program for Promoting the Reform of National Universities (Kobe University), Ministry of Education, Culture, Sports, Science, and Technology; and Grant-in-Aid for Scientific Research (17H04757), Japan Society for the Promotion of Science.

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Correspondence to Kazuhiro Harada.

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Kazuhiro Harada, Kouhei Masumoto and Narihiko Kondo declare that they have no conflicts of interest.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.

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Harada, K., Masumoto, K. & Kondo, N. Different associations of routine work time with exercise behavior and objectively measured physical activity among middle-aged and older adults: a daily and longitudinal analysis. J Behav Med 43, 44–56 (2020). https://doi.org/10.1007/s10865-019-00051-2

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  • DOI: https://doi.org/10.1007/s10865-019-00051-2

Keywords

  • Exercise
  • Healthy aging
  • Leisure activities
  • Life change events
  • Motivation
  • Time factors