| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3017 |
50.8%
|
| 2 | mild | 1804 |
30.4%
|
| 3 | moderate | 760 |
12.8%
|
| 4 | severe | 278 |
4.7%
|
| 5 | extreme/cannot do | 81 |
1.4%
|
| Sysmiss | 545 |