Table 3.
Multivariate log-binomial model assessing the association between violence score and HIV infection among 981 female sex workers participating in the integrated behavioural and biological survey, Benin, 2012
| Variables | HIV+ (%) | APR* (95% CI**) | P-value |
|---|---|---|---|
| Violence score† | |||
| 0 | 17.3 | 1.00 | - |
| 1 | 23.8 | 1.31 (0.95 – 1.80) | 0.102 |
| 2 | 22.2 | 1.44 (0.96 – 2.16) | 0.076 |
| 3 | 31.2 | 1.97 (1.24 – 3.12) | 0.004 |
| P-value for trend | - | - | 0.002 ‡ |
| Sex work typology | |||
| Home-based | 17.4 | 1.00 | - |
| Brothel-based | 26.4 | 1.78 (1.07 – 2.97) | 0.026 |
| Other | 18.4 | 1.34 (0.82 – 2.14) | 0.244 |
| Duration in sex work | |||
| Less than two years | 19.6 | 1.00 | - |
| At least two years | 21.2 | 1.19 (0.80 – 1.79) | 0.384 |
| Literacy | |||
| Being literate | 18.2 | 1.00 | - |
| Being illiterate | 24.6 | 1.26 (0.95 – 1.68) | 0.108 |
| Number of clients (last week) | |||
| Less than 15 clients | 18.7 | 1.00 | - |
| At least 15 clients | 23.9 | 0.92 (0.69 – 1.24) | 0.600 |
| Regular partners (last week) | |||
| None | 22.6 | 1.00 | - |
| At least one | 14.4 | 0.74 (0.52 – 1.04) | 0.089 |
| Neisseria gonorrhoeae | |||
| Negative | 20.0 | 1.00 | - |
| Positive | 26.2 | 1.06 (0.63 – 1.81) | 0.819 |
| Antecedent for STI | |||
| No | 21.2 | 1.00 | - |
| Yes | 17.6 | 0.80 (0.55 – 1.17) | 0.254 |
| Condom use | |||
| Inconsistent | 13.5 | 1.00 | - |
| Consistent | 24.6 | 1.73 (1.22 – 2.45) | 0.002 |
†
Number of types of violence concurrently experienced by women;
‡
Wald test;
*
APR, adjusted prevalence ratio of HIV infection (mutually adjusted for all the variables listed in the table);
**
CI, confidence interval.