| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2655 |
44.7%
|
| 2 | mild | 2013 |
33.9%
|
| 3 | moderate | 1098 |
18.5%
|
| 4 | severe | 129 |
2.2%
|
| 5 | extreme/cannot do | 7 |
0.1%
|
| 9 | n/a | 36 |
0.6%
|
| Sysmiss | 381 |