Submitted: 07 Jun 2016
Revised: 09 Aug 2016
Accepted: 11 Aug 2016
First published online: 01 Oct 2016
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Health Promot Perspect. 2016;6(4):196-201.
doi: 10.15171/hpp.2016.32
PMID: 27766237
PMCID: PMC5071787
  Abstract View: 553
  PDF Download: 426
  Full Text View: 369

Original Article

Sedentary behavior and residual-specific mortality

Paul D. Loprinzi 1 * , Meghan K. Edwards 2, Eveleen Sng 2, Ovuokerie Addoh 3

1 Jackson Heart Study Vanguard Center of Oxford, Center for Health Behavior Research, Physical Activity Epidemiology Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS 38677, USA
2 Center for Health Behavior Research, Physical Activity Epidemiology Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS 38677, USA
3 Mississippi Baptist Health Systems – Baptist Outpatient Cardiac Rehabilitation, Center for Health Behavior Research, Physical Activity Epidemiology Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS 38677, USA

Abstract

Background: The purpose of this study was to examine the association of accelerometer-assessed sedentary behavior and residual-specific mortality.

Methods: Data from the 2003-2006 National Health and Nutrition Examination Survey (NHANES) were used (N = 5536), with follow-up through 2011. Sedentary behavior was objectively measured over 7 days via accelerometry.

Results: When expressing sedentary behavior as a 60 min/day increase, the hazard ratio across the models ranged from 1.07-1.40 (P < 0.05). There was evidence of an interaction effect between sedentary behavior and total physical activity on residual-specific mortality (Hazard ratiointeraction [HR] = 0.9989; 95% CI: 0.9982-0.9997; P = 0.008).

Conclusion: Sedentary behavior was independently associated with residual-specific mortality. However, there was evidence to suggest that residual-specific mortality risk was a function of sedentary behavior and total physical activity. These findings highlight the need for future work to not only examine the association between sedentary behavior and health independent of total physical activity, but evaluate whether there is a joint effect of these two parameters on health.

Citation: Loprinzi PD, Edwards MK, Sng E, Addoh O. Sedentary behavior and residual-specific mortality. Health Promot Perspect. 2016;6(4):196-201. doi: 10.15171/hpp.2016.32.
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