| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 146 |
49.3%
|
| 1 | Several days | 107 |
36.1%
|
| 2 | Over half the days | 29 |
9.8%
|
| 3 | Nearly every day | 14 |
4.7%
|
| Sysmiss | 24 |