Table 1.

Outlines of Chinese CHAMPS Intervention Design: Intervention Elements and Activity Goals †.

Intervention Treatment		Offering the After-School Program
		No	Yes
Modifying school physical education program	No	No change in PE policy No teacher training No after-school program	Provision of after-school PA program (adding 45 min of MVPA 2 d/week) Provision of portable exercise equipment Fitness & nutrition education Bi-weekly text messages to students on healthy tips No change in PE policy Parent engagement
		90 min MVPA/week (45 min PE × 2 d/week)	180 min MVPA/week (45 min PE × 2 d/week & 45 min PA × 2 d/week); ≥45 min VPA/week
	Yes	PE policy change (3 PE classes/week and daily recess) 2-d teacher training Provision of portable exercise equipment PE curriculum re-design Fitness & nutrition education Bi-weekly text messages to students on healthy tips Parent engagement	PE policy change (3 PE classes/week and daily recess) Provision of after-school PA program (adding 45 min of MVPA 2 d/week) 3-d teacher training Provision of portable exercise equipment PE curriculum re-design Physical fitness & nutrition education Bi-weekly text messages to students on healthy tips Parent engagement
		210 min MVPA/week (45 min PE × 3 d/week & 15 min recess × 5 d/week); ≥105 min VPA/week	300 min MVPA/week (45 min PE × 3 d/week, 15 min recess × 5 d/week & 45 min PA × 2 d/week); ≥150 min VPA/week

† For the time period 8:00 a.m. to 5 p.m. that students stayed on campus. PA, physical activity; Min, minutes; d, day; PE, physical education; MVPA, moderate to vigorous physical activity.