| Value | Category |
|---|---|
| -4 | missing data |
| -3 | refused to answer |
| -2 | not applicable |
| -1 | do not know |
| 1 | government old age pension |
| 2 | other old age pension |
| 3 | child maintenance payments |
| 4 | government child support grant |
| 5 | government foster care grant |
| 6 | government disability grant |
| 7 | workmen's compensation fund / uif |
| 8 | other government grant |
| 9 | none |
| 10 | family trust |