Table 4.

Logistic regression analysis of behaviors and characteristics associated with rectal gonorrheal or chlamydial infection or syphilis

	Univariate analysis	Multivariate analysis N=346	Multivariate analysis N=359
	odds ratio (95% CI)	Adjusted odds ratio (95% CI)	Adjusted odds ratio (95% CI)
Age	0.95 (0.91–1.00)	0.96 (0.91–1.02)	0.95 (0.89–1.00)
Male	1.61 (0.60–4.28)	1.47 (0.49–4.41)	1.88 (0.62–5.68)
Los Angeles vs Baltimore	1.39 (0.55–3.47)	1.33 (0.48–3.66)	1.07 (0.39–2.88)
HIV positive	0.61 (0.24–1.53)	0.92 (0.31–2.70)	0.87 (0.28–2.63)
Number RAI partners in past month	0.99 (0.92–1.06)	--	0.98 (0.92–1.05)
Number RAI acts in past month	1.00 (0.95–1.05)	1.00 (0.95–1.05)	--
Condom use at last RAI	0.77 (0.28–2.28)	--	--
Always commercial lubricant use for RAI past month*	3.53 (1.37–9.08)	3.41 (1.22–9.51)	2.98 (1.09–8.15)