| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 432 |
45.8%
|
| 1 | Several days | 291 |
30.8%
|
| 2 | More than half the days | 160 |
16.9%
|
| 3 | Nearly every day | 61 |
6.5%
|
| Sysmiss | 2 |