| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 170 |
65.6%
|
| 1 | Several days | 72 |
27.8%
|
| 2 | Over half the days | 11 |
4.2%
|
| 3 | Nearly every day | 6 |
2.3%
|
| Sysmiss | 61 |