| Value | Category |
|---|---|
| -6 | -6. still studying |
| -5 | -5. wild code |
| -4 | -4. unexp. blank |
| -3 | -3. na |
| -2 | -2. refused |
| -1 | -1. dont know |
| 1 | 1. boycott |
| 2 | 2. marriage |
| 3 | 3. pregnancy |
| 4 | 4. illness |
| 5 | 5. moved |
| 6 | 6. no school |
| 7 | 7. lack money |
| 8 | 8. herding cattle |
| 9 | 9. family obligations |
| 10 | 10. failed exams |
| 11 | 11. finished studies |
| 12 | 12. military training |
| 13 | 13. other |