| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3929 |
66.1%
|
| 2 | mild | 1461 |
24.6%
|
| 3 | moderate | 447 |
7.5%
|
| 4 | severe | 82 |
1.4%
|
| 5 | extreme/cannot do | 21 |
0.4%
|
| Sysmiss | 545 |