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Table 3 Unconditional nested model for percent of time spent in LPA during recess

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

 Estimation of covariance parameters
ParameterEstimates.e.Wald Zp-value95% CI of the estimateICC
Residual.082.00241.00<.001.078, .086 
Intercept Variance (Recess Session).003.0013.59<.001.002, .0060.041
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