| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 240 |
66.3%
|
| 2 | Several days | 74 |
20.4%
|
| 3 | More than half the days | 43 |
11.9%
|
| 4 | Nearly every day | 5 |
1.4%
|
| Sysmiss | 195 |