(07-07-12) Modest Levels of Physical Activity Are Associated With a Lower Incidence of Diabetes in a Population With a High Rate of Obesity

Modest Levels of Physical Activity Are Associated With a Lower Incidence of Diabetes in a Population With a High Rate of Obesity: The Strong Heart Family Study.
Fretts AM, Howard BV, McKnight B, Duncan GE, Beresford SA, Calhoun D, Kriska AM, Storti KL, Siscovick DS.
Source
Department of Epidemiology, University of Washington, Seattle, Washington.
Abstract
OBJECTIVETo examine the association of objectively measured participation in low levels of physical activity with incident type 2 diabetes.RESEARCH DESIGN AND METHODSThe study population included participants free of diabetes and cardiovascular disease at baseline (n = 1,826) who participated in a follow-up examination. Generalized estimating equations were used to examine the association of steps per day with incident diabetes.RESULTSDuring 5 years of follow-up, 243 incident cases of diabetes were identified. When compared with participants in the lowest quartile of steps per day (<3,500 steps), participants in the upper three quartiles of steps per day had lower odds for diabetes, consistent with a threshold effect. Contrasting the three upper quartiles with the lowest quartile, the odds ratio of diabetes was 0.71 (95% CI 0.51-0.98).CONCLUSIONSModest levels of physical activity are associated with a lower risk of incident diabetes, compared with lower levels of activity.

Source: Diabetes Care. 2012 Jun 20. [Epub ahead of print]

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