. 2014 Apr 16;16(1):110–121. doi: 10.1007/s11121-014-0486-y

Table 4.

Mixed-effects models assessing the impact of implementation fidelity on students’ outcomes

Variables	Estimated models
Variables	HIV/AIDS knowledge			Preventive reproductive health skills			Self-efficacy			Intention to use protection
	β	SE	t	β	SE	t	β	SE	t	β	SE	t
Fixed effect
Intercept	8.739	0.796	10.97^***	3.446	0.412	8.36^***	1.414	0.388	3.64^***	2.406	0.680	3.54^***
Age	0.037	0.064	0.57	0.001	0.036	0.03	0.190	0.032	5.98^***	−0.060	0.052	−1.16
Gender
Male	−0.094	0.088	−1.08	0.123	0.049	2.53^*	0.521	0.043	12.04^***	0.478	0.070	6.80^***
Female (ref)
Baseline student outcome	0.003	0.018	0.16	0.003	0.019	0.15	−0.041	0.021	−1.95^*	−0.001	0.020	−0.05
Implementation fidelity (number of core activity completed)	0.057	0.018	3.23^**	0.017	0.006	2.93^**	0.149	0.073	2.03^*	0.660	0.208	3.18^**
Random effect
School^†	0.395	0.222	1.78^*	0.007	0.026	0.28	0.090	0.037	2.44^**	0.066	0.052	1.27
Class (nested within school)^†	1.155	0.220	5.26^***	0.171	0.040	4.29^***	0.061	0.019	3.24^***	0.277	0.065	4.25^***

*p < 0.05; **p < 0.01; ***p < 0.001. ^†z test