| Value |
Category |
| 1 |
professional |
| 2 |
executive/ managerial |
| 3 |
clerical/ sales |
| 4 |
tradesman/ skilled worker |
| 5 |
semi-skilled |
| 6 |
unskilled |
| 7 |
self-employed |
| 8 |
refused |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.