| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 401 |
38.4%
|
| 2 | Less than half the days | 403 |
38.6%
|
| 3 | More than half the days | 177 |
16.9%
|
| 4 | Daily | 64 |
6.1%
|