Demographic and behavioural characteristics and the weighted HIV prevalence among FSW in Iran, 2010
| Behavioural factors | N (%) | HIV prevalence (95% CI)* | p Value† |
|---|---|---|---|
| Current age | |||
| 18–24 | 210 (23.8) | 0 | 0.085 |
| 25–34 | 362 (41.7) | 5.8 (2.9 to 11.4) | |
| ≥35 | 292 (34.5) | 6.0 (2.8 to 12.3) | |
| Current marital status | |||
| Married/ ever married | 697 (81.6) | 5.0 (2.6 to 9.5) | 0.224 |
| Single | 172 (18.4) | 1.9 (0.4 to 8.9) | |
| Age at first commercial sex | |||
| ≤15 | 47 (7.7) | 0 | 0.132 |
| 16–20 | 223 (28.8) | 3.7 (1.1 to 11.6) | |
| 21–25 | 216 (25.9) | 1.6 (0.4 to 5.6) | |
| ≥26 | 313 (37.6) | 7.6 (3.4 to 16.1) | |
| Having another source of income in addition to sex work | |||
| Yes | 298 (36.5) | 7.1 (3.5 to 13.9) | 0.027 |
| No | 550 (63.5) | 3.2 (1.5 to 6.8) | |
| Number of paying clients in the last 7 days | |||
| None | 440 (53.9) | 5.2 (2.7 to 9.8) | 0.185 |
| 1–2 | 233 (27.9) | 2.6 (0.9 to 7.2) | |
| ≥2 | 151 (18.2) | 2.1 (0.4 to 9.6) | |
| Condom use during last sexual act with paying clients | |||
| Yes | 531 (57.1) | 3.9 (1.9 to 7.8) | 0.405 |
| No | 310 (42.9) | 5.6 (2.4 to 12.8) | |
| Having non-paying partners | |||
| Yes | 481 (57.2) | 4.7 (2.2 to 9.8) | 0.734 |
| No | 389 (42.8) | 4.1 (1.9 to 8.7) | |
| Having ever used drugs | |||
| Yes | 624 (73.8) | 4.8 (2.2 to 9.8) | 0.307 |
| No | 247 (26.2) | 2.8 (1.3 to 5.9) | |
| Having ever injected drugs‡ | |||
| Yes | 127 (20.5) | 11.2 (5.4 to 21.5) | 0.003 |
| No | 497 (79.5) | 3.1 (1.5 to 6.4) | |
*Weighted analysis based on sampling probability and clustering effects.
†Using χ2 test.
‡Among those who had a history of any drug use.