| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 465 |
50.1%
|
| 1 | Several days | 300 |
32.3%
|
| 2 | More than half the days | 119 |
12.8%
|
| 3 | Nearly every day | 45 |
4.8%
|
| Sysmiss | 165 |