| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 520 |
49.8%
|
| 2 | Less than half the days | 312 |
29.9%
|
| 3 | More than half the days | 139 |
13.3%
|
| 4 | Daily | 74 |
7.1%
|