Table 2.

Associations of demographic characteristics, sexual, and drug use practices with unprotected anal intercourse in the three months prior to interview among high-risk MSM in non-monogamous relationships.

Characteristic	Unprotected anal intercourse (UAI) in prior three months
	None n (%)	Insertive n (%)	Receptive n (%)	Both n (%)	p
Age (years)					ns
18–27	113 (45.5)	42 (16.9)	35 (14.1)	58 (23.4)
28–37	95 (39.4)	52 (21.6)	35 (14.5)	59 (24.5)
≥38	91 (34.7)	55 (21.0)	44 (16.8)	72 (27.5)
HIV status					<.0001
Negative	238 (43.8)	117 (21.5)	75 (13.8)	113 (20.8)
Positive	41 (33.0)	26 (21.o)	25 (20.2)	32 (25.8)
Unknown	20 (23.8)	6 (7.1)	14 (16.7)	44 (52.4)
Pornography viewed in prior three months that depicted UAI
0–24%	125 (55.1)	41 (18.1)	32 (14.1)	29 (12.8)	<.0001
25–74%	153 (38.1)	83 (20.6)	61 (15.2)	105 (26.1)
75–100%	21 (17.2)	25 (20.5)	21 (17.2)	55 (45.1)
DAST-C summary score of drug use					.08
<6	257 (41.2)	125 (20.0)	92 (14.7)	150 (24.0)
≥6	42 (33.1)	24 (18.9)	22 (17.3)	39 (30.7)
AUDIT summary score of alcohol use					ns
<8	193 (38.8)	97 (19.5)	73 (14.7)	134 (27.0)
≥8	106 (41.7)	52 (20.5)	41 (16.1)	55 (21.6)
Inhalant nitrite use in prior three months					<.0001
No	236 (42.6)	125 (22.6)	79 (14.3)	114 (20.6)
Yes	63 (32.0)	24 (12.2)	35 (17.8)	75 (38.1)
Erectile dysfunction drug use in prior three months					.007
No	261 (41.1)	128 (20.2)	101 (15.9)	145 (22.8)
Yes	38 (32.8)	21 (18.1)	13 (11.2)	44 (37.9)
Marijuana use in prior three months
No	187 (43.2)	92 (21.3)	63 (14.5)	91 (21.0)	.01
Yes	112 (35.2)	57 (17.9)	51 (16.0)	98 (30.8)
Crystal methamphetamine use in prior three months					<.0001
No	285 (41.4)	139 (20.2)	108 (15.7)	156 (22.7)
Yes	14 (22.2)	10 (15.9)	6 (9.5)	33 (52.4)
Sexually transmitted infection in the last year					.006
No	26 (26.5)	18 (18.4)	17 (17.3)	37 (37.8)
Yes	273 (41.8)	131 (20.1)	97 (14.9)	152 (23.3)