Demographics, STI detected at clinic visit, and risk behaviour comparing WSW and controls—results of univariate analysis
| WSW (1408) | Controls (1423) | Odds ratio and 95% CI | p Value | |
|---|---|---|---|---|
| †Previous and new diagnoses. | ||||
| ‡Refers to cervical atypia, and CIN1–3. | ||||
| *Self reported previous history of N gonorrhoeae, bacterial vaginosis, syphilis, genital herpes, genital warts, or C trachomatis. | ||||
| Age median (range) | 27 (14–78) | 26 (16–56) | 0.77 | |
| Bacterial vaginosis | 111/1408 (8%) | 69/1423 (5%) | 1.7 (1.2–2.3) | 0.001 |
| Genital herpes | 133/1408 (9%) | 136/1423 (9%) | 0.95 | |
| Genital warts | 106/1408 (8%) | 158/1423 (11%) | 0.7 (0.5–0.9) | 0.001 |
| Gonorrhoea | 4/958 (<1%) | 7/888 (<1%) | 0.39 | |
| Chlamydia | 23/830 (3%) | 31/747 (4%) | 0.34 | |
| Candida | 116/913 (13%) | 142/867 (16%) | 0.12 | |
| Hepatitis C† | 73/1408 (5%) | 10/1423 (<1%) | 7.7 (3.9–16.0) | <0.001 |
| Hepatitis B† | 73/1408 (5%) | 36/1423 (3%) | 2.1 (1.4–3.2) | <0.001 |
| HIV† | 5 (<1%) | 3 (<1%) | 0.51 | |
| Abnormal cervical cytology‡ | 69/356 (19%) | 58/286 (20%) | 0.78 | |
| Past history of STIs* | 616/1408 (44%) | 459/1423 (32%) | 1.6 (1.1–2.0) | <0.001 |
| Sexual contact with homo/bisexual man | 206/1347 (15%) | 68/1343 (5%) | 3.4 (2.5– 4.6) | <0.001 |
| Sexual contact with heterosexual man with multiple partners | 273/1408 (19%) | 244/1423 (17%) | 0.13 | |
| Sexual contact with injecting drug user | 288/1353 (21%) | 81/1346 (6%) | 4.2 (3.2–5.5) | <0.001 |
| Smoker | 694/1408 (49%) | 546/1423 (38%) | 1.6 (1.3–1.8) | <0.001 |
| More than 140 g alcohol per week | 172/1408 (12%) | 143/1423 (10%) | 0.07 | |
| Injecting drug use (ever) | 316/1398 (23%) | 49/1387 (4%) | 8.0 (5.6–11.3) | <0.001 |
| Sex worker (current) | 235/1089 (22%) | 114/1061 (11%) | 2.3 (1.8–2.9) | <0.001 |
| Termination of pregnancy in past | 537/1408 (38%) | 380/1423 (27%) | 1.7 (1.4–2.0) | <0.001 |