| Value | Category |
|---|---|
| 1 | Sexual intercourse |
| 2 | Having sex with several partners |
| 3 | Sex with Commercial sex worker |
| 4 | Not using Condoms |
| 5 | Homosexual Contact |
| 6 | Blood transfusion |
| 7 | Injections |
| 8 | Kissing |
| 9 | Mosquito Bites |
| 10 | Circumcision |
| 11 | Supernatural means |
| 12 | Other |
| Sysmiss |