| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4205 |
79%
|
| 2 | mild | 462 |
8.7%
|
| 3 | moderate | 491 |
9.2%
|
| 4 | severe | 103 |
1.9%
|
| 5 | extreme/cannot do | 59 |
1.1%
|
| Sysmiss | 752 |