Does the Benefit on Survival from Leisure Time Physical Activity Depend on Physical Activity at Work? A Prospective Cohort Study

Andreas Holtermann, Jacob Louis Marott, Finn Gyntelberg, Karen Søgaard, Poul Suadicani, Ole Steen Mortensen, Eva Prescott, Peter Schnohr

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    Abstrakt

    Purpose: To investigate if persons with high physical activity at work have the same benefits from leisure time physical activity as persons with sedentary work. Methods: In the Copenhagen City Heart Study, a prospective cohort of 7,411 males and 8,916 females aged 25-66 years without known cardiovascular disease at entry in 1976-78, 1981-83, 1991-94, or 2001-03, the authors analyzed with sex-stratified multivariate Cox proportional hazards regression the association between leisure time physical activity and cardiovascular and all-cause mortality among individuals with different levels of occupational physical activity. Results: During a median follow-up of 22.4 years, 4,003 individuals died from cardiovascular disease and 8,935 from all-causes. Irrespective of level of occupational physical activity, a consistently lower risk with increasing leisure time physical activity was found for both cardiovascular and all-cause mortality among both men and women. Compared to low leisure time physical activity, the survival benefit ranged from 1.5-3.6 years for moderate and 2.6-4.7 years for high leisure time physical activity among the different levels of occupational physical activity. Conclusion: Public campaigns and initiatives for increasing physical activity in the working population should target everybody, irrespective of physical activity at work.

    OriginalsprogEngelsk
    Artikelnummere54548
    TidsskriftPloS one
    Vol/bind8
    Udgave nummer1
    DOI
    StatusUdgivet - 17 jan. 2013

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