| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2727 |
51.2%
|
| 2 | mild | 893 |
16.8%
|
| 3 | moderate | 960 |
18%
|
| 4 | severe | 372 |
7%
|
| 5 | extreme/cannot do | 369 |
6.9%
|
| Sysmiss | 751 |