| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4448 |
83.6%
|
| 2 | mild | 462 |
8.7%
|
| 3 | moderate | 319 |
6%
|
| 4 | severe | 82 |
1.5%
|
| 5 | extreme/cannot do | 7 |
0.1%
|
| Sysmiss | 754 |