| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 903 |
67.2%
|
| 2 | Several days | 286 |
21.3%
|
| 3 | More than half the days | 102 |
7.6%
|
| 4 | Nearly every day | 53 |
3.9%
|
| Sysmiss | 3 |