Table 3.

Multivariable logistic regression of factors associated with ever testing for HIV among 2,699 migrant MSM in Beijing, China

Variable	HIV testing		aOR (95% CI)
	Never tested (N=799)	Ever tested (N=1,900)
Age, year
<30	584 (73.1)	1,062 (55.9)	Reference
≥30	215 (26.9)	838 (44.1)	1.54 (1.30, 1.94)
Personal monthly income Chinese yuan
<5000	436 (54.6)	884 (46.5)	NS
≥5000	363 (45.4)	1,016 (53.5)
Year of living in Beijing
≤ 2	334 (41.8)	538 (28.3)	Reference
3–5	253 (31.7)	590 (31.1)	1.26 (1.02, 1.56)
6–10	173 (21.6)	559 (29.4)	1.38 (1.09, 1.75)
>10	39 (4.9)	213 (11.2)	1.95 (1.31, 2.91)
Employment
Employed	638 (79.8)	1,652 (87.0)	Reference
Unemployed/retired	49 (6.1)	86 (4.5)	0.68 (0.46, 0.99)
Student	102 (12.8)	124 (6.5)
Other	10 (1.3)	38 (2.0)
Current marital status
Single	691 (86.5)	1,584 (83.4)	NS
Married to a woman	108 (13.5)	316 (16.6)
Alcohol use before sex in the past 3 months
No	650 (81.4)	1,452 (76.4)	NS
Yes	149 (18.6)	448 (23.6)
Drug use in the past 3 months
No	601 (75.2)	1,355 (71.3)	NS
Yes	198 (24.8)	545 (28.7)
Lifetime male sexual partners
<10	559 (70.0)	812 (42.7)	Reference
≥10	240 (30.0)	1,088 (57.3)	2.76 (2.30, 3.31)
Had insertive anal sex with men in the past 3 months
No	367 (45.9)	669 (35.2)	Reference
Yes	432 (54.1)	1,231 (64.8)	1.27 (1.07, 1.52)
Had condomless receptive anal sex with men in the past 3 months
No	609 (76.2)	1,523 (80.2)	Reference
Yes	190 (23.8)	377 (19.8)	0.81 (0.66, 0.99)

Note: aOR, adjusted odds ratio; CI, confidence interval; drug use, use of any drugs including methamphetamine, MDMA, rush, magu, ketamine, cannabis/marijuana, cocaine, opium, heroin, morphine

NS, not statistically significant in multivariable analysis (p>0.05), and were not retained in the final multivariable model after stepwise backward selection procedure