. Author manuscript; available in PMC: 2012 Jul 1.

Published in final edited form as: Addict Behav. 2011 Feb 13;36(7):762–763. doi: 10.1016/j.addbeh.2011.02.001

Table 1.

Multivariate Cox Regression analysis of factors independently associated with the time to HIV RNA suppression < 500 copies/mL

Variable	Adjusted^** Relative Hazard (RH)	95% Confidence Interval (CI)	p - value
Baseline CD4 Count
(Per 100 cells/mm³)	0.90	(0.84 – 0.96)	0.001
Crystal Methamphetamine Injection
(Yes vs. no)	0.63	(0.40 – 0.98)	0.039
Baseline Viral Load
(Per log¹⁰)	0.86	(0.73 – 1.00)	0.064

Behaviours refer to activities in the last six months.

^**

Model was also adjusted for age, heroin injection and cocaine injection.