| Value | Category | 
|---|---|
| 10 | Indefinite | 
| 20 | Fixed-term | 
| 21 | Test or trial period | 
| 22 | Training or apprenticeship | 
| 23 | Specific project or task | 
| 24 | Seasonal or as needed (casual) | 
| 25 | Covering the absence of another worker | 
| 26 | Other or unspecified fixed-term contract | 
| 97 | No written contract | 
| 98 | Unknown | 
| 99 | NIU (not in universe) | 
| var_concept.title | Vocabulary | 
|---|---|
| Work Variables -- PERSON | IPUMS |