| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 188 |
18.8%
|
| 1 | Severe | 483 |
48.4%
|
| 2 | Mild | 327 |
32.8%
|
| 8 | Dk | 0 |
0%
|
| 9 | Missing | 177 | |
| Sysmiss | 155657 |