Comparative Effectiveness of After-School Programs to Increase Physical Activity

Table 3

Between-group comparison of time spent in physical activity (model-implied estimates).

	Community ASP		School-based ASP		Group difference
	% Time; at activity level	P; (difference from 0)	% Time; at activity level	P; (difference from 0)	% Time; at activity level	𝑃; (for group difference)
Baseline
LMVPA	78.4	<0.001	75.8	<0.001	2.6	0.30
MVPA	30.1	<0.001	24.2	<0.001	5.9	0.06
Change per measurement period (6 weeks)*
LMVPA	3.0	0.006	−3.4	0.002	6.4	<0.001
MVPA	2.8	0.006	−1.6	0.12	4.4	0.002

∗Average change between Baseline-Week 6 and Week 6-Week 12.