Table 3 |
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|
Association of selected variables with condom use for anal/vaginal sex by MSM with their sexual partners in bivariate & multivariate analysis (prevalence ratios* & 95% confidence intervals**). |
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|
Variable |
Category |
Bivariate PR (95% CI) |
Multivariate PR (95% CI) |
|
|
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|
Female partner |
No |
1.0 |
1.0 |
|
Yes |
0.78 (0.68 – 0.87) |
0.9 (0.81 – 0.99) |
|
|
|
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|
Unmarried |
No |
1.0 |
1.0 |
|
Yes |
6.91 (6.18 – 7.32) |
5.45 (4.26 – 6.37) |
|
|
|
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|
Schooling years |
Up to 5 years |
1.0 |
1.0 |
|
6 to 8 years |
1.01 (0.83 – 1.12) |
0.97 (0.78 – 1.11) |
|
|
9 years and over |
1.09 (0.66 – 1.65) |
0.89 (0.46 – 1.52) |
|
|
|
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|
Age (years) |
Under 19 |
1.0 |
1.0 |
|
19 to 22 |
1.08 (0.94 – 1.17) |
1.11 (0.98 – 1.2) |
|
|
23 to 28 |
1.11 (0.98 – 1.21) |
0.95 (0.76 – 1.09) |
|
|
29 and over |
0.96 (0.74 – 1.14) |
0.93 (0.71 – 1.1) |
|
|
|
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|
Price of condom |
Low |
1.0 |
1.0 |
|
Medium |
0.08 (0.05 – 0.12) |
0.09 (0.05 – 0.13) |
|
|
High |
0.27 (0.18 – 0.4) |
0.60 (0.42 – 0.81) |
|
|
|
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|
Number of partners in previous week |
None |
1.0 |
1.0 |
|
1 |
1.14 (1.02 – 1.23) |
1.03 (0.88 – 1.15) |
|
|
2 a 4 |
1.3 (1.25 – 1.32) |
1.08 (0.94 – 1.18) |
|
|
5 and over |
1.07 (1.06 – 1.07) |
1.06 (1.05 – 1.07) |
|
|
|
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|
Family is aware of sexual preference |
No |
1.0 |
1.0 |
|
Yes |
1.27 (1.16 – 1.36) |
1.15 (1 – 1.27) |
|
|
|
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|
Respondent consumed alcohol prior to sexual activity |
No |
1.0 |
1.0 |
|
Yes |
1.03 (0.97 – 1.09) |
0.99 (0.91 – 1.05) |
|
|
|
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|
Sexual partner was a new one |
No |
1.0 |
1.0 |
|
Yes |
1.29 (1.23 – 1.35) |
1.29 (1.22 – 1.35) |
|
|
|
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|
Life-skills index |
Low |
1.0 |
1.0 |
|
Medium |
1.38 (1.3 – 1.43) |
1.41 (1.33 – 1.45) |
|
|
High |
1.85 (1.83 – 1.86) |
1.84 (1.79 – 1.86) |
|
|
|
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|
Social capital index |
Low |
1.0 |
1.0 |
|
High |
1 (0.7 – 1.36) |
1.28 (0.77 – 1.87) |
|
|
|
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|
Interaction life-skills index & social capital index |
Low and low |
1.0 |
|
|
Medium and high |
0.77 (0.45 – 1.03) |
||
|
High and high |
0.62 (0.28 – 1.04) |
||
|
|
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|
Socio-economic level index |
Low |
1.0 |
1.0 |
|
Medium low |
0.97 (0.82 – 1.09) |
1.02 (0.83 – 1.15) |
|
|
Medium high |
1.04 (0.84 – 1.18) |
1.23 (1.12 – 1.3) |
|
|
High |
1.06 (0.85 – 1.22) |
1.2 (1.01 – 1.31) |
|
|
|
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|
*Calculated by using the formula RR = OR/[(1-P0)+(P0*OR)]. [8] **95% confidence intervals were estimated considering fixed effects by city and random effects by MSM |
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|
Gutiérrez et al. BMC Public Health 2006 6:152 doi:10.1186/1471-2458-6-152 |
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