Table 2 Unconditional multilevel model

Variable

Coef.

Std. Err.

P > |z|

Lower

Upper

 Adherence self-efficacy

92.507

0.590

91.35

93.66

Random-effects Parameters

Estimate

Std. Err

Lower

Upper

 Variance of Clinic Random Intercept

2.685

2.817

0.344

20.983

 Variance of Child Random Intercept

64.347

8.759

49.279

84.021

 Variance of Residuals

391.091

110.117

369.898

413.498