| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 156 |
54%
|
| 1 | Several days | 102 |
35.3%
|
| 2 | Over half the days | 25 |
8.7%
|
| 3 | Nearly every day | 6 |
2.1%
|
| Sysmiss | 31 |