| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 277 |
84.5%
|
| 2 | Several days | 18 |
5.5%
|
| 3 | More than half the days | 26 |
7.9%
|
| 4 | Nearly every day | 7 |
2.1%
|
| Sysmiss | 33 |