| Value | Category |
|---|---|
| -5 | other |
| -4 | missing data |
| -3 | refused to answer |
| -2 | not applicable |
| -1 | do not know |
| 1 | regular employment |
| 2 | casual employment |
| 3 | self employed |
| 4 | housewife/child rearing |
| 5 | unemployed |
| 6 | formal education |
| 7 | retired/pensioner |
| 8 | other, not specified |