| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 751 |
55.8%
|
| 2 | Several days | 425 |
31.6%
|
| 3 | More than half the days | 105 |
7.8%
|
| 4 | Nearly every day | 64 |
4.8%
|
| Sysmiss | 2 |