| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1790 |
85.6%
|
| 1 | Several days | 158 |
7.6%
|
| 2 | More than half the days | 34 |
1.6%
|
| 3 | Nearly every day | 110 |
5.3%
|
| Sysmiss | 1507 |