| Value | Category |
|---|---|
| -5 | other |
| -4 | missing data |
| -3 | refused to answer |
| -2 | not applicable |
| -1 | do not know |
| 1 | traditional material |
| 2 | shack (plastic, cardboard, plywood) |
| 3 | permanent without guttering (corrugated iron, tile, asbestos |
| 4 | permenent with guttering (corrugated iron, tile, asbestos) |