| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 389 |
42%
|
| 1 | Several days | 310 |
33.4%
|
| 2 | More than half the days | 164 |
17.7%
|
| 3 | Nearly every day | 64 |
6.9%
|
| Sysmiss | 167 |