. Author manuscript; available in PMC: 2021 Jan 1.

Published in final edited form as: Arch Sex Behav. 2019 Oct 29;49(1):275–286. doi: 10.1007/s10508-019-01508-w

Table 7.

Cox Proportional Hazard Ratios and 95% Confidence Intervals of Younger Age of First Anal Sex with a Man, by Race/Ethnicity and Birth Cohort of MSM Participants in the American Men’s Internet Survey, United States, 2015

		Birth Cohort
Race/Ethnicity	1950–1969	1970–1979	1980–1989	1990–2000

Black, non-Hispanic	1.685 (1.425, 1.992)	1.260 (1.026, 1.547)	1.457(1.237, 1.716)	1.165 (0.961, 1.411)
Hispanic	1.460 (1.228, 1.735)	1.241 (1.043, 1.477)	1.181 (1.050, 1.328)	1.282 (1.162, 1.414)
Other or multiple races	1.290 (1.074, 1.550)	0.966 (0.782, 1.194)	1.092 (0.936, 1.274)	0.901 (0.797, 1.017)
White, non-Hispanic	Ref	Ref	Ref	Ref