Physical activity of Canadian adults: accelerometer results from the 2007 to 2009 Canadian Health Measures Survey.

Background null Rising obesity rates and declining fitness levels have increased interest in understanding what underlies these trends. This article presents the first directly measured data on physical activity and sedentary behaviour on a nationally representative sample of Canadians aged 20 to 79 years. null Data and methods null Data are from the 2007 to 2009 Canadian Health Measures Survey (CHMS). Physical activity was measured using...