Table 2.

Bivariate^a and multivariate analysis^a of the association between mental illness (MI) and illicit drug use (DU) and receipt of HAART (n = 10,284)

	HAART receipt odds ratio (95% confidence interval)		HAART receipt adjusted odds ratio (95% confidence interval)
Characteristic	Bivariate	p-Value	Multivariate	p-Value
Category
MI & DU	0.82 (0.72-0.93)	<0.01	0.63 (0.55-0.72)	<0.01
DU	0.87 (0.75-1.01)	0.08	0.75 (0.63-0.87)	<0.01
MI	1.14 (0.99-1.31)	0.06	0.93 (0.81-1.07)	0.35
Neither MI nor DU	1.00 (referent)		1.00 (referent)
Age (years)
≥45	1.81 (1.59-2.07)	<0.01	1.49 (1.29-1.72)	<0.01
>35 & <45	1.57 (1.39-1.79)	<0.01	1.44 (1.26-1.65)	<0.01
≤35	1.00 (referent)		1.00 (referent)
Gender
Male	1.39 (1.24-1.55)	<0.01	1.33 (1.18-1.50)	<0.01
Female	1.00 (referent)		1.00 (referent)
Race/Ethnicity
Black/African American	0.70 (0.62-0.80)	<0.01	0.72 (0.63-0.82)	<0.01
Hispanic	1.01 (0.87-1.18)	0.86	1.01 (0.86-1.18)	0.89
Other	1.16 (0.79-1.71)	0.45	1.21 (0.81-1.80)	0.35
White/Caucasian	1.00 (referent)		1.00 (referent)
CD4 nadir (cells/mm3)
>200	0.53 (0.48-0.59)	<0.01	0.57 (0.51-0.63)	<0.01
≤200	1.00 (referent)		1.00 (referent)
Outpatient medical visits during calendar year 2004
≥7	2.94 (2.57-3.35)	<0.01	2.91 (2.54-3.34)	<0.01
4-6	2.07 (1.83-2.33)	<0.01	2.02 (1.79-2.28)	<0.01
<4	1.00 (referent)		1.00 (referent)
Years in clinical care	1.07 (1.05-1.08)	<0.01	1.05 (1.03-2.69)	<0.01

^aAnalysis adjusted for site.