| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 165 |
63.7%
|
| 1 | Several days | 67 |
25.9%
|
| 2 | Over half the days | 18 |
6.9%
|
| 3 | Nearly every day | 9 |
3.5%
|
| Sysmiss | 61 |