. Author manuscript; available in PMC: 2014 Jan 1.

Published in final edited form as: AIDS Behav. 2013 Jan;17(1):142–147. doi: 10.1007/s10461-011-0124-7

Table 1.

Multivariate Analysis of Relationship between Substance Use and Adherence

Substance	n	B when Any Use (yes/no) Added	P- value	Variance Explained (R²)	B when Proportion Days Used Added	P- value	Variance Explained (R²)
Covariates only	1311			.028
Alcohol	1216	−0.039	.03	.036	−0.097	0.04	.035
Cannabis	1167	−0.036	NS	.034	−0.050	NS	.034
Cocaine	1166	−0.142	<.01	.049	−0.274	<.01	.038
Stimulants	1021	−0.211	<.01	.043	−0.316	NS	.035
Heroin	1016	−0.090	<.01	.054	−0.352	<.01	.051

Covariates were: African American, Hispanic, Asian American, and Men who Have sex with Men. Caucasian was the reference group for race/ethnicity.