| Value | Category | 
|---|---|
| -9 | Don't know | 
| -8 | Refused | 
| -5 | Not applicable | 
| -3 | Missing | 
| 8 | Father or mother | 
| 9 | Stepparent | 
| 10 | Adopted parent | 
| 11 | Foster parent | 
| 12 | Brother or sister | 
| 14 | Grandparent | 
| 17 | Brother or sister-in-law | 
| 18 | Uncle or aunt | 
| 20 | Cousin | 
| 21 | Great-grandparent | 
| 25 | Other family | 
| 26 | Other non-family | 
| 30 | Boyfriend or Girlfriend | 
| Sysmiss |