Table 2 Multivariate logistic regression analysis for the relation between the factors associated with HIV infection among MSM in HCMC

 Over 25

184 (46.1)

7.82

3.37-18.16

<0.001***

 25 or less

215 (53.9)

1

Income group per month?

 Low define these?

101 (25.7)

0.91

0.40-2.04

0.811

 Medium

154 (39.6)

1.2

0.46 - 3.11

0.709

 High

138 (35.1)

1

Educational level

 Low (Under grade 5)

95 (23.9)

2.74

1.10-6.83

0.030*

 Medium (Grade 6-9)

159 (39.8)

2.68

1.00-7.14

0.049

 High (Grade 10 or over)

145 (36.3)

1

Employment status

 Unemployed

87 (21.8)

1.54

0.63-3.79

0.343

 Employed

312 (78.2)

1

Self-identification

 Straight

115 (28.8)

5.48

0.47-64.41

0.176

 Bong kin

273 (68.4)

2.86

0.28-29.06

0.375

 Bong lo

11 (2.8)

1

Sexual orientation

 Bisexual

191 (47.9)

1.1

0.47-2.61

0.824

 Heterosexual

13 (3.2)

N/A

0.998

 Homosexual

195 (48.9)

1

Ever married a woman?

 Yes

44 (11.0)

1.02

0.38-2.85

0.965

 No

355 (89.0)

1

Having anal sex with male partners in past month

 Yes

292 (73.2)

2.7

1.10-6.64

0.030*

 No

107 (26.8)

1

Selling sex

 Yes

216 (54.1)

1.07

0.54-2.13

0.841

 No

183 (45.9)

1

Having sex with SWs

 Yes

72 (18.0)

1.08

0.46-2.53

0.855

 No

327 (82.0)

1

STI infection

 Yes

85 (21.3)

2.16

0.92-5.07

0.078

 No

309 (77.4)

1

Ever used drugs

 Yes

101 (25.3)

1.37

0.55-3.43

0.503

 No

298 (74.7)

1

Ever injected drugs

 Yes

32 (31.4)

0.89

0.25-3.15

0.759

 No

70 (68.6)

1

Have sexual partners who injected drugs in past 12 months

 Yes

123 (30.8)

2.24

1.06-4.73

0.035*

 No/Don’t know

276 (69.2)

1

Feel risk of HIV infection

 Yes

175 (44.9)

2.42

1.24-4.73

0.006*

 No/Don’t know

215 (55.1)

1

Ever had HIV test

 No

288 (72.2)

2.46

0.89-6.83

0.084

 Yes

102 (25.6)

1

Visit STI clinics without symptoms

 No

285 (71.1)

1.38

0.56-3.42

0.483

 Yes

114 (28.6)

1

Received free lubricant in past 6 months

 Yes

103 (25.8)

2.62

0.83-8.32

0.101

 No

296 (74.2)

1