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Table 1 Univariate analysis results between the socio-demographic characteristics and HIV infection

From: What are the risk factors for HIV in men who have sex with men in Ho Chi Minh City, Vietnam?- A cross-sectional study

Variables

HIV Infection status

  

Total N (%)

HIV(+)

HIV(-)

Unadjusted OR/(95%CI)c

p- valued

Total

397

59 (14.8)

338 (84.7)

  

Age

   

Mean difference

 

Mean (SD)

26.8 (8.1)

30.0 (6.5)

26.3 (8.3)

3.31 (1.80-5.60)

<0.001***a

Age Group (n)

     

 Over 25

183 (46.1)

46 (78.0)

137 (40.5)

5.19 (2.70-9.97)

<0.001***

 25 or less

214 (53.9)

13 (22.0)

201(59.5)

1

 

Monthly income (VND million)b

     

 Mean (SD)

2.05 (1.2)

1.7 (0.9)

2.1 (1.4)

-0.86 (-0.68 to -0.12)ǂ

0.005**

 Median

1.8

    

 Range

0.1 – 8.5

    

Income group per month

     

 Low (≤1.0VND million)

101 (25.7)

18 (30.5)

81 (24.0)

1.69 (0.82-3.52)

0.331

 Medium (1.0-2.0)

154 (39.6)

25 (42.4)

129 (38.2)

1.48 (0.75-2.90)

 

 High (>2.0)

138 (35.1)

16 (27.1)

122 (36.1)

1

 

Education Level (n)

     

 Low (Under grade 5)

95 (23.9)

19 (32.2)

75 (22.2)

3.40 (1.50-7.68)

0.004**

 Medium (Grade 6-9)

159 (39.8)

30 (50.8)

129 (38.2)

3.12 (1.46-6.63)

 

 High (Grade 10 or over)

145 (36.3)

10 (16.9)

134 (39.6)

1

 

Employment status(n)

     

 Unemployed

85 (21.8)

17 (28.8)

68 (20.1)

1.61 (0.86 – 3.00)

0.133

 Employed

312 (78.2)

42 (71.2)

270 (79.9)

1

 

Self-identification

     

 Straight

115 (28.8)

20 (33.9)

95 (28.1)

1

0.600

 Bóng kín

273 (68.4)

38 (64.4)

233 (68.9)

0.77 (0.43-1.40)

 

 Bong lo (homosexual)

11 (2.8)

1 (1.7)

10 (3.0)

0.48 (0.06-3.920

 

Sexual orientation

     

 Bisexual

191 (47.9)

31 (52.5)

160 (47.4)

1

0.276

 Heterosexual

13 (3.2)

0 (0)

13 (3.8)

-

 

 Homosexual

195 (48.9)

28 (47.5)

165 (48.8)

0.88 (0.50-1.52)

 

Ever married a woman

     

 Yes

44 (11.0)

8 (13.6)

36 (10.7)

1.32 (0.58-2.99)

0.206

 No

355 (89.0)

51 (86.4)

302 (89.3)

1

 
  1. aComparing mean difference between HIV(+) and HIV(-) using independent sample t test
  2. b1USD ≈ 18,000 - 20,000VND at the end of 2009 and beginning of 2010 (at interview time)
  3. c95%CI: 95% confidence interval
  4. d* P<0.05; ** P<0.01; ***P<0.001 (2-tailed tests).