| Value | Category |
|---|---|
| 1 | Head: husband; single parent; person living alone; first of two cohabiting partners; first person in non-family household |
| 2 | Wife |
| 3 | Cohabiting partner |
| 4 | Child |
| 5 | Ascendent relative |
| 6 | Other relative |
| 7 | Non-relative |
| 8 | Unknown: person not a member of the first family |
| 9 | NIU (not in universe) |