| Value | Category |
|---|---|
| -99 | Refuse to answer |
| -98 | Difficult to answer/Don't remember |
| -97 | Don't know/No information |
| -9 | Interrupted interview |
| -7 | Legal Skip |
| -3 | Interviewer error |
| 1 | Yes, entirely |
| 2 | more yes than no |
| 3 | more no than yes |
| 4 | No |
| 5 | Doesn’t have a profession |