An observational study of recess quality and physical activity in urban primary schools

BMC Public Health

Table 5 Estimates of effects on percent of LPA during recess

Estimation of covariance parameters
Parameter	Estimate	s.e.	Wald Z	p-value	95% CI of the estimate
Residual	.074	.002	41.00	<.001	.071, .078
Intercept Variance (recess)	.003	.001	3.60	<.001	.002, .006
Estimation of fixed effects
Parameter	Estimate	s.e.	Ttest statistic	p-value	95% CI of the estimate
Intercept	.201	.063	3.21	.002	.076, .326
Gender	.152	.053	2.86	.004	.048, .257
School	.004	.003	1.18	.241	−.003, .010
Safety and Structure of Environment	.004	.005	.885	.379	−.004, .012
Adult Engagement and Supervision	.008	.005	1.52	.133	−.003, .019
Student behaviors	−.006	.004	−1.41	.163	−.014, .002
Gender * Safety and Structure of Environment	−.002	004	−.679	.497	−.009, .005
Gender * Adult Engagement and Supervision	−.008	.005	−1.50	.133	−.017, .002
Gender * Student behaviors	.009	.003	2.83	.005	.003, .015

ISSN: 1471-2458