High amount of sedentary time may cause six-fold increase in mortality risk

Association of Sedentary Time with Mortality Independent of Moderate to Vigorous Physical Activity


Sedentary behavior has emerged as a novel health risk factor independent of moderate to vigorous physical activity (MVPA). Previous studies have shown self-reported sedentary time to be associated with mortality; however, no studies have investigated the effect of objectively measured sedentary time on mortality independent of MVPA. The objective our study was to examine the association between objectively measured sedentary time and all-cause mortality….


Over an average follow-up of 2.8 years, there were 145 deaths reported. In a model adjusted for sociodemographic factors, lifestyle factors, multiple morbidities, mobility limitation, and MVPA, participants in third quartile (hazard ratio (HR):4.05; 95%CI:1.55–10.60) and fourth quartile (HR:5.94; 95%CI: 2.49–14.15) of having higher percent sedentary time had a significantly increased risk of death compared to those in the lowest quartile.


Our study suggests that sedentary behavior is a risk factor for mortality independent of MVPA. Further investigation, including studies with longer follow-up, is needed to address the health consequences of sedentary behavior.

Note that the model adjusted for other factors, including vigorous exercise, so that one can’t count on exercise to save you from the results of sedentary behavior. As they say, sitting is the new smoking. A standing desk makes sense in this regard, as well as standing for other activities.


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How to stay healthy at the office - Rogue Health and Fitness says January 6, 2016

[…] Sedentary behavior is associated with a large increase in mortality risk, the people in the highest quartile of sedentary time having a six-fold greater risk. […]

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