| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 236 |
65.2%
|
| 2 | Several days | 67 |
18.5%
|
| 3 | More than half the days | 48 |
13.3%
|
| 4 | Nearly every day | 11 |
3%
|
| Sysmiss | 195 |