| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1458 |
69.1%
|
| 1 | Several days | 416 |
19.7%
|
| 2 | More than half the days | 102 |
4.8%
|
| 3 | Nearly every day | 135 |
6.4%
|
| Sysmiss | 1 |