| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3019 |
50.8%
|
| 2 | mild | 1877 |
31.6%
|
| 3 | moderate | 759 |
12.8%
|
| 4 | severe | 242 |
4.1%
|
| 5 | extreme/cannot do | 43 |
0.7%
|
| Sysmiss | 545 |