Fig. 2

Histograms showing distributions of in-school physical activity participation in five countries with differing distributions. Note: Colombia (mean 1.7 days/week; 1.7 h/week), Poland (mean 3.2 days/week; 2.8 h/week), Sweden (mean 2.3 days/week; 2.4 h/week), U.S. (mean 2.4 days/week, 2.3 h/week), UK (mean 1.9 days/week; 2.0 h/week)