| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 181 |
62.6%
|
| 1 | Several days | 70 |
24.2%
|
| 2 | Over half the days | 27 |
9.3%
|
| 3 | Nearly every day | 11 |
3.8%
|
| Sysmiss | 31 |