| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 230 |
88.8%
|
| 2 | Yes, wash them with a piece of tissue/sponge | 27 |
10.4%
|
| 3 | Don't know/No response | 2 |
0.8%
|
| Sysmiss | 30 |