| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3039 |
57.1%
|
| 2 | mild | 1073 |
20.2%
|
| 3 | moderate | 847 |
15.9%
|
| 4 | severe | 247 |
4.6%
|
| 5 | extreme/cannot do | 113 |
2.1%
|
| Sysmiss | 753 |