| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 0 | |
| 1 | Before going to sleep at night | 14 |
0.7%
|
| 2 | Before using a toilet | 34 |
1.8%
|
| 3 | Before preparing or eating food | 1409 |
74.9%
|
| 4 | When waking up in the morning | 423 |
22.5%
|
| a | Not applicable | 0 | |
| b | Don't know | 0 | |
| c | Refused to respond | 0 |