Baseline prevalence and incidence of infections*
| Number tested | Number positive | Prevalence (%) | Person years of follow up | Incident cases | Incidence (per 100 person years) | |
|---|---|---|---|---|---|---|
| *See text for methods of calculating incidence. | ||||||
| HIV | 636 | 59 | 9 | 1309 | 49 | 3.7 |
| Hepatitis C | 361 | 10 | 3 | 1395 | 7 | 0.5 |
| Hepatitis B | 797 | 155 | 19 | N/A | ||
| Syphilis | 748 | 16 | 21 | 1395 | 17 | 1.2 |
| Gonorrhoea | 748 | 68 | 9 | 1395 | 195 | 13.9 |
| Chlamydia | 748 | 56 | 7 | 1395 | 109 | 7.8 |