| Value | Category |
|---|---|
| 0 | not reported |
| 1 | hh surveyed in the first visit is surveyed in the second visit |
| 2 | household surveyed in the first visit is substituted by another hh in the second visit |
| 3 | casualty in the second visit |
| 4 | casualty in the first visit but the originally selected household in the first visit surveyed in the second visit |