Table 4.

Parameter Estimates [Adjusted OR (AOR), 95% CI] from Polytomous Regressions^a of Demographic Factors on Unprotected Sexual Behavior Among 592 YMSM, Baseline Data P18 Study, 2009–2011

	UA 1 instance	UA 2+ instances	URAI 1 instance	URAI 2+ instances	UIAI 1 instance	UIAI 2+ instances	UROI 1 instance	UROI 2+ instances
Exclusively homosexual	0.69 (0.39, 1.21)	1.32 (0.79, 2.21)	0.51 (0.25, 1.04)	1.27 (0.72, 2.24)	0.83 (0.43, 1.62)	0.66 (0.32, 1.36)	0.86 (0.56, 1.34)	1.20 (0.83, 1.73)
U.S-born	0.31d (0.19. 0.51)	0.28d (0.17, 0.47)	0.20d (0.11, 0.25)	0.22d (0.13, 0.38)	0.21d (0.12, 0.37)	0.24d (0.13, 0.44)	0.59b (0.37, 0.94)	0.52b (0.34, 0.80)
Black, non-Hispanic	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Hispanic	0.32c (0.17, 0.62)	0.58 (0.32, 1.07)	0.31c (0.14, 0.68)	0.59 (0.31, 1.11)	0.33c (0.16, 0.68)	0.27c (0.12, 0.62)	0.94 (0.55, 1.62)	1.23 (0.75, 2.01)
White, non-Hispanic	0.46 (0.21, 1.03)	1.08 (0.50, 2.31)	0.45 (0.17, 1.21)	0.89 (0.38, 2.05)	0.46 (0.17, 1.21)	1.18 (0.47, 2.96)	0.99 (0.51, 1.95)	1.92b (1.07, 3.45)
Mixed/other race	0.57 (0.27, 1.20)	0.37b (0.15, 0.92)	0.68 (0.29, 1.57)	0.31b (0.11, 0.86)	0.26b (0.09, 0.72)	0.21b (0.06, 0.73)	0.74 (0.38, 1.44)	0.88 (0.48, 1.62)
Low SES	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Medium SES	0.77 (0.41, 1.43)	0.40c (0.22, 0.72)	0.65 (0.31, 1.39)	0.34c (0.17, 0.66)	0.64 (0.31, 1.32)	0.41b (0.19, 0.90)	0.70 (0.43, 1.15)	0.83 (0.54, 1.29)
High SES	0.65 (0.42,1.73)	0.32c (0.15, 0.66)	0.81 (0.35, 1.89)	0.37b (0.17, 0.81)	0.48 (0.19, 1.23)	0.20c (0.07, 0.57)	0.93 (0.52, 1.65)	1.23 (0.75, 2.02)

^a0 instances is reference category; ^bp≤0.05; ^cp≤0.01; ^dp≤0.001.

UA, unprotected anal; UAI, any unprotected anal intercourse; UIAI, unprotected insertive anal intercourse; URAI, unprotected receptive anal intercourse; UROI, unprotected receptive oral intercourse.