| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 231 |
77.8%
|
| 1 | Several days | 42 |
14.1%
|
| 2 | Over half the days | 17 |
5.7%
|
| 3 | Nearly every day | 7 |
2.4%
|
| Sysmiss | 23 |