Table 3.

Mediation analyses by follow-up visit.

	6-Month follow-up			12-Month follow-up
	Estimate	SE	P	Estimate	SE	P
Model 1: without UP compliance
Baseline Avoidance Measure	0.68	0.02	<0.0001	0.75	0.02	<0.0001
Intervention Effect	1.00	0.17	<0.0001	1.74	0.23	<0.0001
Model 2: with UP compliance
Baseline Avoidance Measure	0.67	0.02	<0.0001	0.74	0.016	<0.0001
Improvement in UP compliance
At 6-month	0.05	0.01	0.0002
At 12-month				0.05	0.01	<0.0001
Intervention effect	0.96	0.17	<0.0001	1.65	0.23	<0.0001
Mediation effect (95% Bootstrap CI)	0.04 (0.01, 0.07)		<.0001	0.09 (0.05, 0.13)		<0.0001

Note: Covariates included in the models were age, gender, whether participants had prior contact with PLH, profession (doctor vs. other), and province.