| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 1791 |
33.7%
|
| 2 | mild | 1855 |
34.9%
|
| 3 | moderate | 1368 |
25.7%
|
| 4 | severe | 279 |
5.2%
|
| 5 | extreme/cannot do | 27 |
0.5%
|
| Sysmiss | 752 |