| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3121 |
52.5%
|
| 2 | mild | 1749 |
29.4%
|
| 3 | moderate | 787 |
13.2%
|
| 4 | severe | 239 |
4%
|
| 5 | extreme/cannot do | 44 |
0.7%
|
| Sysmiss | 545 |