| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 219 |
73.5%
|
| 1 | Several days | 52 |
17.4%
|
| 2 | Over half the days | 19 |
6.4%
|
| 3 | Nearly every day | 8 |
2.7%
|
| Sysmiss | 22 |