| Value | Category |
|---|---|
| 1 | Complete |
| 2 | Complete but Mismatch dwelling type |
| 3 | Complete but Mismatch stove type |
| 4 | Respondent was not at home |
| 5 | Temporarily not present |
| 6 | Household permanently moved |
| 7 | Household not found |
| 8 | Refused |
| 9 | Other improved stove/ low-pressure boiler |
| 10 | Other |
| Sysmiss |