Table 6.

Estimates of effects on girls' engagement level during recess.

Estimation of covariance parameters
Parameter	Estimate	s.e.	Wald Z	p-Value	95% CI of the estimate
Residual	0.02	0.002	7.04	<.001	0.01, 0.02
Intercept variance (recess group)	0.01	0.005	2.49	.007	0.006, 0.03
Intercept variance (school)	0.005	0.006	0.87	.19	0.005, 0.05

Estimation of fixed effects
Parameter	Estimate	s.e.	t-Test statistic	p-Value	95% CI of the estimate
Intercept	0.53	0.23	2.33	.03	0.06, 0.99
Safety and structure	−0.10	0.01	−1.43	.16	−0.04, 0.007
Adult engagement and supervision	0.02	0.01	2.11	.04	0.001, 0.05
Student behaviors	0.001	0.006	0.19	.85	−0.01, 0.01
Transitions	0.005	0.02	0.25	.80	−0.03, 0.04
School level SES	−0.47	0.29	−1.64	.15	−1.16, 0.22