| Value | Category |
|---|---|
| 1 | Away from home |
| 2 | Work related |
| 3 | Forgot appointment |
| 4 | Lost mastercard |
| 5 | Ill health |
| 6 | Side effects of drug related |
| 7 | Improved health |
| 8 | Alternative treatment |
| 9 | Transport money |
| 10 | Lack of social support |
| 11 | No drugs at ART clinic |
| 12 | other |
| 98 | Unknown |
| 99 | Missing |
| Sysmiss |