| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1221 |
57.8%
|
| 1 | Several days | 584 |
27.7%
|
| 2 | More than half the days | 143 |
6.8%
|
| 3 | Nearly every day | 163 |
7.7%
|
| Sysmiss | 1 |