Table 3. Estimated HIV risk/prevention behavior in MSWs and ncMSM.

	MSWs(n = 489)				ncMSM(n = 476)
	COR(95%CI)	P	AOR(95%CI)	P	COR(95%CI)	P	AOR(95%CI)	P
Syphilis infection	10.2(2.9,35.5)	0.000	9.0(2.4,33.5)	0.001	5.6(3.3,9.6)	0.000	5.9(3.2,10.9)	0.000
Ever diagnosed with STIs	12.1(1.2,124,3)	0.036	13.9(1.5,134.6)	0.045	1.0(0.5,2.3)	0.911	1.3(0.5,3.4)	0.557
Tested for HIV	3.4(1.2–9.8)	0.026	2.8(0.7,11.1)	0.152	0.4(0.2,0.6)	0.000	0.4(0.2,0.7)	0.001
Condom use with male sex partner	0.3(0.1,0.8)	0.022	0.3(0.1,0.9)	0.046	0.8(0.5,1.4)	0.488	0.7(0.4,1.5)	0.485
Anal sex role(both)	9.2(1.9,43.8)	0.006	3.6(0.4,32.3)	0.251	0.7(0.3,1.4)	0.323	-	-
Elder in age(>30)	0.3(0.1,1.6)	0.179	0.3(0.1,2.6)	0.280	0.6(0.4,0.9)	0.048	0.6(0.3,1.2)	0.181
Higher education(college above)	2.1(0.3,0.3,17.3)	0.491	7.6(0.4,160.9)	0.191	2.6(1.4,4.7)	0.002	2.1(1.0,4.2)	0.049
First sex partner(male)	1.1(0.3,3.4)	0.921	5.2(0.9,31.7)	0.072	2.1(1.3,3.4)	0.003	2.1(1.2,3.9)	0.014

OR, odds ratio

COR, crude OR

Variables included in the multiple logistic regression model: HIV/syphilis infection, age, education, sex role, history of HIV test, history of STIs, condom use, first sex partner

AOR, adjusted OR, adjusted for other variables listed in the text

STI, sexually transmitted infection

Significant results are in bold (P<0.05)