| Value | Category |
|---|---|
| 1 | no schooling |
| 2 | some primary school |
| 3 | primary school completed |
| 4 | some high school |
| 5 | matric |
| 6 | artisan's certificate obtained |
| 7 | technikon diploma/degree completed |
| 8 | university degree completed |
| 9 | professional |
| 10 | technical |
| 11 | secretarial |
| 12 | other |
| 13 | refused |