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Table 5 Multivariate analysis of factors associated with HIV positivity among women in three districts in Karnataka, 2005-2007

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

Characteristic

Prevalence % (95% CI)

Crude OR (95% CI) N=6816

Adjusted OR* (95% CI) N=6812

P-value

Age

    

15-19 years

0.09 (0.0-0.26)

1.00 (Ref)

1.00 (Ref)

 

20-24 years

0.76 (0.0-1.52)

8.71 (0.94-81.14)

5.85 (0.64-53.93)

0.118

25-29 years

1.63 (0.80-2.46)

18.85 (2.38-149.19)

11.22 (1.42-88.74)

0.022

30-34 years

2.63 (1.08-4.18)

30.75 (3.98-237.46)

13.13 (1.67-103.19)

0.015

35-39 years

2.07 (0.73-3.40)

24.03 (2.97-194.27)

11.33 (1.32-96.83)

0.027

40-44 years

0.19 (0.0-0.56)

2.16 (0.13-35.71)

0.82 (0.05-13.53)

0.889

45-49 years

0.34 (0.0-0.77)

3.88 (0.36-41.40)

1.44 (0.13-16.12)

0.767

Marital Status

    

Others

0.67 (0.38-0.96)

1.00 (Ref)

1.00 (Ref)

 

Marriage dissolved

7.20 (4.33-10.80)

11.58 (6.02-22.26)

10.98 (5.35-22.57)

<0.0001

Number of sexual partners

One

1.08 (0.75-1.40)

1.00 (Ref)

1.00 (Ref)

 

More than one

9.72 (0.83-18.62)

10.19 (3.66-28.42)

4.61 (1.26-16.91)

0.022

Condom use

    

Never used condom

1.06 (0.74-1.38)

1.00 (Ref)

1.00 (Ref)

 

Ever used condom

2.81 (0.49-5.12)

2.70 (1.11-6.54)

3.32 (1.38-7.99)

0.008

Religion

    

Non-Muslim

1.27 (0.88-1.65)

1.00 (Ref)

1.00 (Ref)

 

Muslim

0.28 (0.0-0.60)

0.22 (0.07-0.73)

0.27 (0.08-0.87)

0.029

  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