Table III.

Multivariable meta-regression model predicting adherence (k=10 studies with data for each predictor)

Predictor	Coefficient (95% Confidence Interval)	P
RCT (vs. observational)	0.41 (−0.11 to 0.94)	0.09
Risk reduction intervention (vs. no risk reduction strategy)	−0.13 (−0.59 to 0.33)	0.44
3-drug regimen (vs. 2-drug)	−0.17 (−0.53 to 0.19)	0.23
MSM (vs. mixed cohort)	0.05 (−0.47 to 0.58)	0.79
Objective measure of adherence (vs. self-report only)	0.20 (−0.24 to 0.63)	0.25
Year of publication	−0.03 (−0.07 to 0.02)	0.19