| Value | Category | Cases | |
|---|---|---|---|
| 1 | Don’t know | 32 |
4.7%
|
| 2 | No, do not do anything before drinking | 611 |
89.3%
|
| 3 | Yes, always treat it before drinking | 19 |
2.8%
|
| 4 | Yes, sometimes treat it before drinking | 22 |
3.2%
|