| Value | Category |
|---|---|
| -4 | missing data |
| -3 | refuse to answer |
| -2 | not applicable |
| -1 | do not know |
| 1 | self |
| 2 | mother |
| 3 | father |
| 4 | aunt or uncle |
| 5 | sibling |
| 6 | grandparent |
| 7 | other relative |
| 8 | teacher or counsellor |
| 9 | members of the household |
| 10 | guardian or sponsor |
| 11 | neighbour |