| Value | Category |
|---|---|
| 0 | Respondent |
| 1 | Spouse |
| 2 | Son / daughter |
| 3 | Spouse of son / daughter |
| 4 | Grandchild |
| 5 | Father / mother |
| 6 | Brother / sister |
| 7 | Nephew / niece |
| 8 | Father / mother in law |
| 9 | Brother / sister in law |
| 10 | Grandfather / grandmother |
| 11 | Other relative |
| 12 | Non-relative |