| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 563 |
17.5%
|
| 2 | mild | 1678 |
52.2%
|
| 3 | moderate | 709 |
22.1%
|
| 4 | severe | 225 |
7%
|
| 5 | extreme/cannot do | 38 |
1.2%
|
| Sysmiss | 3272 |