| Value | Category |
|---|---|
| -999 | Don't know |
| -888 | Refuse to answer |
| -777 | Not applicable |
| -666 | Other (please specify) |
| 1 | Palm leaves/raffia/thatch |
| 2 | Wood |
| 3 | Corrugated iron sheet |
| 4 | Cement/concrete |
| 5 | Asbestos/slate |
| 6 | Roofing tiles |
| 7 | Mud bricks/earth |
| 8 | Bamboo |
| 11 | .N |
| Sysmiss |