| Value | Category | 
|---|---|
| -7 | Legal skip | 
| -6 | Unfinished questionnaire | 
| -3 | Interviewer error | 
| 1 | head | 
| 2 | spouse/partner | 
| 3 | son/daughter | 
| 4 | son/daughter-in-law | 
| 5 | father/mother | 
| 6 | father/mother-in-law | 
| 7 | sister/brother | 
| 8 | grandchild | 
| 9 | grandparent | 
| 10 | niece/nephew | 
| 11 | other relative | 
| 12 | not related |