Table 2.

Baseline scores of Out-of-School (OST) Policy Assessment Index domains, mean (SD), in 20 after school programs in Boston, MA, Fall 2010.

Domain	Possible range	Mean baseline policy scores, all sites (n=20)	Inter-rater reliability (Spearman’s r)	Construct validity (comparison of means)
				YMCA-affiliated programs (n=8)	Non-YMCA programs (n=12)	p-value
OSNAP score	0–10	2.90 (3.28)	0.84 (p<0.001)	5.50 (3.82)	1.17 (1.03)	0.001
Physical Activity	0–13	3.35 (1.84)	0.89 (p<0.001)	4.63 (1.19)	2.50 (1.73)	0.007
Nutrition	0–16	1.90 (1.71)	0.94 (p<0.001)	3.13 (1.46)	1.08 (1.38)	0.005
Beverages	0–10	1.30 (1.53)	0.97 (p<0.001)	2.13 (1.36)	0.75 (1.42)	0.04
Screen Time	0–9	2.20 (0.83)	0.53 (p=0.04)	2.75 (0.46)	1.83 (0.83)	0.01
Communication	0–13	1.50 (1.24)	0.96 (p<0.001)	1.38 (1.06)	1.58 (1.38)	0.72