The association of leisure-time physical activity and walking during commuting to work with depressive symptoms among Japanese workers: A cross-sectional study

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  • Fukai Kota
    Department of Preventive Medicine, Tokai University School of Medicine
  • Kuwahara Keisuke
    Teikyo University Graduate School of Public Health Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine
  • Chen Sanmei
    Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine
  • Eguchi Masafumi
    Department of Health Administration, Furukawa Electric Corporation
  • Kochi Takeshi
    Department of Health Administration, Furukawa Electric Corporation
  • Kabe Isamu
    Department of Health Administration, Furukawa Electric Corporation
  • Mizoue Tetsuya
    Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine

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Abstract

<p>Objective: To examine whether the cross-sectional association of leisure-time physical activity and walking during commuting to work with depressive symptoms depends on the level of work-related physical activity among Japanese workers.</p><p>Methods: Participants were 2024 workers aged 19-69 years in two manufacturing companies in Japan. Leisure-time physical activity and walking during commuting to work were ascertained via a self-administered questionnaire. Depressive symptoms were assessed using the Center for Epidemiologic Studies Depression (CES-D) scale. The odds ratio (OR) of depressive symptoms (CES-D score ≥16) was estimated by using multiple logistic regression with adjustment for covariates.</p><p>Results: Leisure-time physical activity was inversely associated with depressive symptoms; multivariable-adjusted ORs (95% confidence intervals) of having depressive symptoms for leisure-time physical activity were 1.00 (reference), 0.85 (0.64, 1.12), 0.69 (0.51, 0.94), and 0.59 (0.44, 0.80) for 0, >0 to <3.0, 3.0 to <10.0, and ≥10.0 MET-h/wk, respectively (P for trend <.001). This inverse trend for leisure-time physical activity was clearer among individuals who had low physical activity at workplace (less than 7.0 MET-h/d). For walking to work, such an inverse association was not observed.</p><p>Conclusion: Leisure-time physical activity was associated with fewer depressive symptoms, especially in workers with low work-related physical activity.</p>

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