| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 1908 |
32.1%
|
| 2 | mild | 2531 |
42.6%
|
| 3 | moderate | 1333 |
22.4%
|
| 4 | severe | 136 |
2.3%
|
| 5 | extreme/cannot do | 30 |
0.5%
|
| Sysmiss | 381 |