| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1717 |
82%
|
| 1 | Several days | 247 |
11.8%
|
| 2 | More than half the days | 47 |
2.2%
|
| 3 | Nearly every day | 82 |
3.9%
|
| Sysmiss | 1506 |