| Value | Category | Cases | |
|---|---|---|---|
| 1 | BOIL | 2315 |
24.5%
|
| 2 | USE WATER FILTER | 625 |
6.6%
|
| 3 | STRAIN THROUGH A CLOTH | 1197 |
12.7%
|
| 4 | TREATED WITH CHEMICALS | 292 |
3.1%
|
| 5 | BOTTLED WATER | 119 |
1.3%
|
| 7 | NONE | 4704 |
49.7%
|
| 94 | OTHER (SPECIFY) | 210 |
2.2%
|
| Sysmiss | 1 |