Table 2.

HIV positivity and bivariate associations in women voluntarily screened for syphilis in San Francisco County Jail, 1999–2001 (N = 1,577)

Variable	HIV-infected, N (%)	Odds ratio (95% CI)	p value
Total	28 (1.8)	–	–
Age group
29 years or younger	9 (0.8)	1.0
30–39 years	16 (4.1)	5.2 (2.3–12.0)	<0.01
40–45 years	3 (3.7)	4.6 (1.2–17.5)	0.02
Race/ethnicity
White	6 (2.1)	4.0 (0.4–33.9)	0.2
African American	21 (2.5)	4.4 (0.6–33.4)	0.1
Latino	2. (0.9)	1.7 (0.1–18.3)	0.7
Other	1 (0.5)	1.0	na
Sexual orientation
Heterosexual	21 (1.5)	1.0	na
Bisexual/lesbian	7 (4.6)	3.2 (1.3–7.6)	<0.01
Female sex partner	4 (2.7)	1.5 (0.4–4.5)	0.4
Reason for arrest
Drug offense	10 (2.0)	1.2 (0.6–2.6)	0.6
Burglary offense	11 (2.6)	1.5 (0.7–3.3)	0.2
Commercial sex work	2 (1.5)	0.8 (0.2–3.6)	0.8
Homicide/aggravated assault	2 (7.4)	4.7 (1.1–20.8)	0.03
Sex offense	0	na	na
Previous incarceration	24 (2.5)	4.0 (1.4–11.6)	<0.01
Used noninjection drugs	20 (2.2)	1.4 (0.7–3.1)	0.4
Injected drugs	5 (4.6)	3.1 (1.1–8.2)	0.02
Commercial sex work	5 (2.2)	1.3 (0.5–3.4)	0.6
Number of male partners
0	0	na	na
1	13 (1.6)	1.0	na
2 or more	9 (1.8)	1.1 (0.5–2.7)	0.8
Sex with a known HIV-infected man	4 (22.2)	18.3 (5.6–59.6)	<0.01
Sex with a man who has sex with men	3 (18.8)	14.2 (3.8–52.9)	<0.01
Sex with an injection drug user	2 (3.2)	1.7 (0.2–7.2)	0.4
History of chlamydia, ever	8 (2.8)	1.8 (0.8–4.1)	0.2
History of gonorrhea, ever	8 (3.4)	2.4 (1.0–5.4)	0.04
History of syphilis, ever	4 (7.0)	4.7 (1.6–14.0)	<0.01

The referent does not have risk factor unless a category is stated. Risk behavior is in the last 6 months unless otherwise stated.