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Table 4 Multivariate analysis of factors associated with HIV positivity among men in three districts in Karnataka, 2005-2007

From: Heterogeneity of the HIV epidemic in the general population of Karnataka state, south India

Characteristic

HIV prevalence % (95% CI)

Crude OR (95% CI) N=6210

Adjusted OR* (95% CI) N=6210

P-value

Age$

    

15-19 years

0.29 (0.0-0.59)

1.00 (Ref)

1.00 (Ref)

 

20-24 years

0.60 (0.20-1.00)

2.05 (0.59-7.08)

2.02 (0.59-6.98)

0.260

25-29 years

1.13 (0.17-2.09)

3.87 (1.04-14.38)

3.66 (0.99-13.48)

0.051

30-34 years

1.58 (0.26-2.90)

5.45 (1.45-20.40)

5.24 (1.44-19.14)

0.013

35-39 years

2.80 (0.38-5.23)

9.78 (2.75-34.77)

9.45 (2.59-34.39)

0.001

40-44 years

1.45 (0.21-2.69)

5.00 (1.31-19.04)

4.57 (1.18-17.61)

0.028

45-49 years

1.19 (0.35-2.03)

4.07 (1.20-13.77)

3.87 (1.13-13.30)

0.032

Undergone circumcision

    

No

1.27 (0.82-1.72)

1.00 (Ref)

1.00 (Ref)

 

Yes

0.46 (0.07-0.86)

0.36 (0.14-0.92)

0.33 (0.13-0.81)

0.016

Ever paid for sex

    

No

1.11 (0.72-1.51)

1.00 (Ref)

1.00 (Ref)

 

Yes

4.57 (0.24-8.90)

4.26 (1.51-12.03)

2.68 (0.98-7.34)

0.055

Ever had any STI

    

No

1.11 (0.72-1.51)

1.00 (Ref)

1.00 (Ref)

 

Yes

3.13 (0.37-5.89)

2.86 (1.10-7.42)

2.44 (1.15-5.17)

0.021

  1. %: Weighted percentages, 95% CI: 95% Confidence interval, OR: Odds ratio, Ref: Reference group
  2. *Each variable is adjusted for district, place of residence (rural vs urban) and all the other variables shown in the table
  3. $Test for trend significant at p<0.0001 level