Table 3.

Correlates of HIV sero-prevalence among MSM, HCMC, Vietnam, 2006, 2009 and 2013.

HIV (n = 127)
Variable	OR	(95% CI)	AOR	(95% CI)
Age (ref. <20 years)
20–24 years	3.71*	1.02, 13.49	3.02	0.75, 12.16
25–29 years	10.71***	3.03, 37.89	9.67***	2.52, 37.14
≥30 years	4.34*	1.22, 15.44	3.95*	1.01, 15.50
Education level (ref. no schooling)
Grades 1 to 9	1.63	0.33, 7.93	–	–
Grades 10 to 12	1.87	0.42, 8.28	–	–
University	1.17	0.25, 5.43	–	–
Ever married (ref. no)
Yes	0.56	0.24, 1.3	–	–
Sexual preference (ref. men)
Women	1.43	0.77, 2.67	–	–
No preference	1.26	0.58, 2.73	–	–
Sexual behaviors
Age at first sex with a man (ref. < 15 years)
16 to 19 years	1.23	0.57, 2.68	–	–
≥20 years	0.78	0.32, 1.89	–	–
Anal sex with consensual male partner in past month (ref. no)
Yes	0.63	0.37, 1.06	0.44**	0.24, 0.83
Sold sex to a male client in past month (ref. no)
Yes	1.06	0.64, 1.75	–	–
Bought sex from a man in past month (ref. no)
Yes	0.22	0.06, 1.07	0.20*	0.04, 0.97
Always used condom with non-commercial male partner in past month (ref. no)
Yes	0.89	0.44, 1.81	–	–
Always used condom with any male partner last month (ref. no)
Yes	1.22	0.69, 2.17	–	–
Vaginal/anal sex with female in past 12 months (ref. no)
Yes	1 99**	1.18, 3.34	–	–
Condom use with any female sex partner in past 12 months (ref. no)
Yes	0.73	0.38, 1.41	–	–
Ever used drugs (ref. no)
Yes	2 12**	1.22, 3.69	–	–
Ever injected drugs (ref. no)
Yes	3.65***	1.69, 7.9	3.07**	1.24, 7.64
Ever tested for HIV and received results (ref. no)
Yes	0.68	0.35, 1.34	–	–
Received free condoms in past 6 months (ref. no)
Yes	1.11	0.67, 1.83	–	–
Received safe sex talk in past 6 months (ref. no)
Yes	1.11	0.65, 1.88	–	–

Note: Odds ratios (ORs) and adjusted ORs (AORs) with 95% confidence intervals (CI).

±Weighted by degree and recruitment weights.¹¹

^*p < 0.05

^**p < 0.01

^***p < 0.001.

–Not used in the final model.