| Value | Category | 
|---|---|
| 10 | Reference person / Head | 
| 20 | Spouse or partner | 
| 21 | Husband or wife | 
| 22 | Partner in consensual union | 
| 30 | Child/child-in-law of head or of spouse/partner | 
| 31 | Spouse or partner of child of head | 
| 40 | Parent of head, of spouse, or of partner | 
| 50 | Other relative of head, spouse, or partner | 
| 60 | Non-relative of head | 
| 61 | Foster child | 
| 62 | Boarder | 
| 63 | Domestic servant | 
| 64 | Other | 
| 99 | Not stated / unknown |