Table 3.

Polytomous logistic regression analysis of risk factors for engaging in UIAI, URAI, or both UIAI and URAI compared to internal referents who did not report UAI in the three months prior to interview

	Risk-related sexual behavior in the prior three months
	Unprotected insertive anal intercourse (n = 149)			Unprotected receptive anal intercourse (n = 114)			Both unprotected insertive and receptive anal intercourse (n = 189)
Characteristic	OR	(95% CI)	p	OR	(95% CI)	p	OR	(95% CI)	p
Age (years)
18–27	1.0			1.0			1.0
28–37	1.7	(1.0, 2.8)		1.3	(0.8, 2.4)		1.2	(0.8, 2.0)	ns
≥38	2.1	(1.3, 3.5)	.005	1.8	(1.0, 3.1)	.04	1.5	(0.9, 2.5)	ns
HIV status
Negative	1.0			1.0			1.0
Positive	1.5	(0.9, 3.0)	ns	2.1	(1.2, 3.9)	.01	1.7	(0.99, 3.0)	.06
Unknown	0.4	(0.17, 1.1)	ns	1.5	(0.7, 3.3]	ns	2.7	(1.4, 5.0)	.002
Inhalant nitrite use in prior three months
No	1.0			1.0			1.0
Yes	0.6	(0.4, 1.1)	ns	1.4	(0.9, 2.3)	ns	1.8	(1.2, 2.9)	.006
Pornography viewed in prior three months that depicted UAI
0–24%	1.0			1.0			1.0
25–74%	1.9	(1.2, 2.9)	.007	1.7	(1.0, 2.7)	.05	2.9	(1.8, 4.7)	<.001
75–100%	4.4	(2.2, 8.9)	<.001	3.5	(1.6, 7.3)	.001	8.1	(4.1, 15.9)	<.001