| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 2527 |
84.8%
|
| 1 | Several days | 315 |
10.6%
|
| 2 | More than half the days | 86 |
2.9%
|
| 3 | Nearly every day | 53 |
1.8%
|
| Sysmiss | 4040 |