| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 927 |
68.9%
|
| 2 | Several days | 297 |
22.1%
|
| 3 | More than half the days | 68 |
5.1%
|
| 4 | Nearly every day | 53 |
3.9%
|
| Sysmiss | 2 |