| Value | Category |
|---|---|
| 1 | It is a contract covering a period of training (apprentices, trainees, research assistants, etc.) |
| 2 | Person could not find a permanent job |
| 3 | Person did not want a permanent job |
| 4 | It is a contract for a probationary period |
| 9 | Not applicable |
| Sysmiss |