Table 3.

Logistic Regression Analyses of Factors Associated with Starting ART among Baseline ART-Naive Patients in the HOPS, 2000 to 2011.^a,^b

	Univariate Analysis		Multivariable Model A		Multivariable Model B
Characteristic at Baseline	OR (95% CI)	P Value	aOR (95% CI)	P Value	aOR (95% CI)	P Value
Age, years
≤29	0.7 (0.5–0.9)	.008	0.7 (0.5–1.0)	.09	0.7 (0.5–1.0)	.09
30–39	0.8 (0.6–1.0)	.09	0.9 (0.6–1.2)	.47	0.8 (0.6–1.2)	.27
40–49	Referent		Referent		Referent
≥50	0.9 (0.6–1.3)	.46	0.7 (0.4–1.1)	.09	0.8 (0.5–1.1)	.18
Sex
Male	Referent
Female	0.9 (0.7–1.2)	.42
Race/ethnicity
White, non-Hispanic	Referent		Referent		Referent
Nonwhite	0.8 (0.7–1.0)	.07	0.6 (0.4–0.8)	.001	0.6 (0.4–0.8)	<.001
HIV risk
Heterosexual	1.2 (0.9–1.5)	.16	1.1 (0.8–1.6)	.45	1.1 (0.8–1.5)	.58
IDU	0.6 (0.4–0.9)	.023	0.7 (0.4–1.3)	.29	0.6 (0.4–1.1)	.08
MSM	Referent		Referent		Referent
Other/unknown	1.3 (0.8–2.0)	.26	1.2 (0.7–2.2)	.46	1.2 (0.7–2.1)	.49
Insurance payer
Private	Referent
Public	1.0 (0.8–1.3)	.98
Ryan White	1.3 (0.6–2.6)	.48
Self-pay/none	0.8 (0.5–1.2)	.23
Other	1.0 (0.6–1.5)	.94
Index year
2000–2003	Referent		Referent		Referent
2004–2008	1.3 (1.0–1.6)	.05	1.2 (0.9–1.6)	.27	1.2 (0.9–1.6)	.16
2009–2011	1.6 (1.1–2.2)	.006	1.5 (1.0–2.2)	.05	1.5 (1.0–2.2)	.046
Baseline CD4 count, cells/mm3
<200	11.8 (8.3–16.8)	<.001	15.2 (10.3–22.3)	<.001	13.2 (9.1–18.9)	<.001
200–350	5.1 (3.7–7.2)	<.001	6.3 (4.4–9.1)	<.001	5.7 (4.0–8.0)	<.001
>350	Referent		Referent		Referent
None	0.8 (0.5–1.1)	.20	1.3 (0.8–1.9)	.28	0.9 (0.6–1.4)	.71
Baseline viral load, copies/mL
<1000	Referent
1000–29 999	0.9 (0.6–1.3)	.55
30 000–100 000	2.2 (1.5–3.3)	<.001
>100 000	3.9 (2.6–5.9)	<.001
None	0.6 (0.4–0.9)	.010
Retained in care
No	Referent		Referent
Yes	5.6 (4.0–7.7)	<.001	6.5 (4.4–9.5)	<.001

Abbreviations: OR, odds ratio; CI, confidence interval; aOR, adjusted odds ratio; ART, antiretroviral therapy; IDU, injection drug user; MSM, men having sex with men.

^aN = 1441.

^bMultivariable model A included “Retained in care,” whereas model B did not.