| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 260 |
68.6%
|
| 2 | Don't know | 5 |
1.3%
|
| 3 | Monthly | 3 |
0.8%
|
| 4 | No regular interval | 49 |
12.9%
|
| 5 | Not cleaned | 2 |
0.5%
|
| 6 | Weekly | 60 |
15.8%
|
| Missing value | 1 |