Table 3:

Relationship between TA visits (time), independent variables, and the interaction of provider professional category with the slope of the TA visit time trajectory with the number of correct PP messages delivered¹

	Model 1
Variable	β	SE	t	p-value
Technical Assistance visits (time)	1.084	0.037	29.04	<0.001
Intercept	1.973	0.140	14.09	<0.001
	Model 2
Variable	β	SE	t	p-value
Technical Assistance visits (time)	0.920	0.063	14.57	<0.001
Provider is clinician	−0.907	0.478	−1.90	0.058
Time x provider category interaction	0.230	0.079	2.91	0.004
Sex of provider - female	−0.076	0.215	−0.36	0.722
Sector in health center
Psycho-social support	−0.677	0.444	−1.52	0.128
Integrated Consultation	−0.558	0.274	−2.04	0.041
TB Clinic	−1.240	0.361	−3.43	0.001
Adult and adolescent counseling and testing	−0.824	0.537	−1.54	0.125
Client sex	0.176	0.132	1.34	0.180
Client ART status	0.136	0.138	0.98	0.325
Intercept	2.793	0.598	4.67	<0.001

¹The intraclass correlation (ICC) for the null model was 0.092. An ICC of 0.092 means that 9% of the variation in PP message provision can be attributed to a healthcare provider effect.