Physical activity and sedentary behavior patterns using accelerometry from a national sample of United States adults
- Evenson, Kelly R
- Wen, Fang
- Metzger, Jesse S
- Herring, Amy H
DOIAbstract
BackgroundThis study described the patterns of accelerometer-determined physical activity and sedentary behavior among adults using a nationally representative sample from the United States.MethodsUsing 2003-2006 National Health and Nutrition Examination Survey (NHANES) data, 7931 adults at least 18years old wore an ActiGraph accelerometer for one week, providing at least 3days of wear for >=8hours/day. Cutpoints defined moderate to vigorous physical activity (MVPA; >= 2020 and >=760 counts/minute), vigorous physical activity (> = 5999 counts/minute), and sedentary behavior (<100 counts/minute). Latent class analysis (LCA) was used to estimate patterns of physical activity and sedentary behavior. All estimates were weighted to reflect the U...
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