| Value | Category |
|---|---|
| 1 | Five BSID & height/weight done |
| 2 | Incomplete BSID: height/weight done |
| 3 | Incomplete BSID: height/weight not done |
| 4 | No BSID done. height/weight done |
| 5 | 18m child death |
| 6 | 18m moved away |
| 7 | 18m consent refused |
| 8 | mother/child unavailable |
| Sysmiss |