Table 3:

Multivariate logistic regression, factors associated with incident HIV diagnoses between enrollment and 12 month follow up, n = 4649^a

	Estimate	aOR	95% CI	Pr > ChiSq
Methamphetamine use
Never users	Ref
Baseline only use	0.81	2.26	0.88 -- 5.78	0.090
Indicated use between BL and 12M	1.37	3.95	1.64 -- 9.47	0.002
Persistent methamphetamine use at BL and 12M	1.96	7.11	4.53 -- 11.17	<.0001
Age
16–24 years old	Ref
25–35 years old	0.12	1.13	0.67 -- 1.91	0.64
36–45 years old	0.17	1.19	0.65 -- 2.19	0.58
46–55 years old	−0.19	0.83	0.28 -- 2.49	0.74
Race/ethnicity
White	Ref
Black	1.06	2.88	1.68 -- 4.93	0.0001
Latino	0.02	1.02	0.61 -- 1.69	0.94
Asian/Pacific Islander	0.31	1.37	0.48 -- 3.91	0.56
Other or multiracial	0.42	1.52	0.80 -- 2.87	0.20
Syphilis in the past year
Yes	0.90	2.47	1.48 -- 4.11	0.001
No	Ref
Incarcerated in the past year
Yes	0.36	1.43	0.70 -- 2.95	0.33
No	Ref

BL: Baseline (reported at BL with a 3 month recall window), 12M: 12 months (reported at month 12 with a 12 month recall window)

aOR: Adjusted Odds Ratio

^aIn order to estimate HIV incidence at 12 months, prevalent HIV cases (n = 137) identified at baseline were excluded.