| Value | Category | Cases | |
|---|---|---|---|
| 0 | Absolutely not | 1013 |
79.2%
|
| 1 | Several days | 203 |
15.9%
|
| 2 | More than half days | 34 |
2.7%
|
| 3 | Almost daily | 29 |
2.3%
|
| Sysmiss | 423 |