| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 220 |
74.1%
|
| 1 | Several days | 53 |
17.8%
|
| 2 | Over half the days | 12 |
4%
|
| 3 | Nearly every day | 12 |
4%
|
| Sysmiss | 23 |