Is the Duration of Sedentary Episodes Is Associated With Risk for Death?

Research Paper Title

Duration of Sedentary Episodes Is Associated With Risk for Death.


Spending more of our waking hours sedentary (for example, sitting and watching television) is associated with poorer markers of health and higher risk for death than spending more time engaged in physical activity (such as walking or playing sports).

However, studies showing this increased risk for death have mostly relied on study participants’ memories of how much time they spent sitting rather than on direct measures of that time.

In addition, whether it matters if the total sedentary time is accumulated in shorter or longer bouts (that is, sitting for hours at a time without moving) is not known.

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Diaz, K.M., Howard, V.J., Hutto, B., Colabianchi, N., Vena, J.E., Safford, M.M., Blair, S.N. & Hooker, S.P. (2017) Patterns of Sedentary Behavior and Mortality in U.S. Middle-Aged and Older Adults. A National Cohort Study. Annals of Internal Medicine. 167(7), pp.I-24. DOI: 10.7326/P17-9045.


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