| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4229 |
79.5%
|
| 2 | mild | 474 |
8.9%
|
| 3 | moderate | 533 |
10%
|
| 4 | severe | 66 |
1.2%
|
| 5 | extreme/cannot do | 18 |
0.3%
|
| Sysmiss | 752 |