| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3860 |
65%
|
| 2 | mild | 1464 |
24.6%
|
| 3 | moderate | 513 |
8.6%
|
| 4 | severe | 84 |
1.4%
|
| 5 | extreme/cannot do | 19 |
0.3%
|
| Sysmiss | 545 |