Table 1.

Baseline factors associated with treatment initiation among a cohort of antiretroviral-naïve HIV-positive injection drug users in Vancouver, 1996–2008 (n = 380).

Characteristic	Initiated ART*Median (IQR) or n (%) n = 260	Did Not Initiate ART*Median (IQR) or n (%) n = 120	Odds Ratio (95% CI)	p – value
Age	33.9 (27.7 – 40.3)	35.7 (27.6 – 41.7)	0.99 (0.96 – 1.01)	0.326
Sex
Female	118 (45.4%)	53 (44.2%)	1.05 (0.68 – 1.62)	0.824
Male	142 (54.6%)	67 (55.8%)
Aboriginal ethnicity
Yes	105 (40.4%)	43 (35.8%)	1.21 (0.78 – 1.90)	0.398
No	155 (59.6%)	77 (64.2%)
Baseline CD4 count	350 (250 – 530)	500 (310 – 640)	0.83 (0.76 – 0.91)	<0.001
Baseline viral load (per log10)	4.7 (4.2 – 5.1)	4.5 (3.9 – 4.9)	1.74 (1.29 – 2.35)	<0.001

Note:

^*ART = antiretroviral therapy.