| Value | Category | Cases | |
|---|---|---|---|
| 1 | Boil | 3 |
3%
|
| 2 | Use water filter | 6 |
6%
|
| 3 | Strain through a cloth | 4 |
4%
|
| 4 | Treated with chemicals | 13 |
13%
|
| 5 | Bottled water | 7 |
7%
|
| 6 | Other, specify | 26 |
26%
|
| 7 | None | 41 |
41%
|
| Sysmiss | 8250 |