| Risk factors | Females | Males | Total frequency | Percentage |
| Poor hygiene | 19 | 4 | 23 | 6.9% |
| Multiple sexual partners | 77 | 64 | 141 | 42.2% |
| Unprotected sex | 106 | 86 | 192 | 57.5% |
| Blood transfusion | 54 | 51 | 105 | 31.4% |
| Not using mosquito net | 1 | 1 | 2 | 0.6% |
| Sexual abuse | 63 | 39 | 102 | 30.5% |
| Excessive use of alcohol | 2 | 2 | 4 | 1.2% |
| Drug abuse | 3 | 4 | 7 | 2.1% |
| Use of sharp objects | 19 | 28 | 47 | 14.2% |
| Don’t know | 7 | 19 | 26 | 7.9% |