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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