| Value | Category | 
|---|---|
| 10 | Spouse/cohabiting partner | 
| 11 | Spouse | 
| 12 | Live-in partner | 
| 20 | Boyfriend/fiance not living with respondent | 
| 30 | Casual acquaintance | 
| 40 | Relative | 
| 50 | Commercial sex worker/client | 
| 60 | Other | 
| 98 | Missing | 
| 99 | NIU (not in universe) | 
| var_concept.title | Vocabulary | 
|---|---|
| First or ever sexual experience Variables -- TOPICS | IPUMS |