| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3810 |
64.1%
|
| 2 | mild | 1404 |
23.6%
|
| 3 | moderate | 550 |
9.3%
|
| 4 | severe | 156 |
2.6%
|
| 5 | extreme/cannot do | 20 |
0.3%
|
| Sysmiss | 545 |