| Value | Category |
|---|---|
| 1 | Joined HH due to marriage |
| 2 | Joined due to divorce |
| 3 | Not recorded at follow-up1 |
| 4 | Birth |
| 5 | Joined HH as a relative |
| 6 | Joined HH as orphan |
| 7 | Lodging/renting with HH |
| 8 | Re-joining the household after being away at follow-up 1 |
| 97 | Other |
| Sysmiss |