| Value | Category |
|---|---|
| 0 | No |
| 1 | Yes, in the same job |
| 2 | Yes, in an additional job |
| 3 | Yes, in different job |
| a | Don't know |
| b | Refused to answer |
| c | Outlier set to missing |
| d | Dropped during anonymization (available on request) |
| e | Skipped in error |
| m | Not available in wave |
| z | Not applicable |