Locations of Physical Activity as Assessed by GPS in Young Adolescents

To compare adolescents' physical activity at home, near home, at school, near school, and at other locations.Adolescents (N = 549) were ages 12 to 16 years (49.9% girls, 31.3% nonwhite or Hispanic) from 447 census block groups in 2 US regions. Accelerometers and Global Positioning System devices assessed minutes of and proportion of time spent in moderate to vigorous physical activity (MVPA) in each of the 5 locations. Mixed-effects regression...