| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2917 |
54.8%
|
| 2 | mild | 1239 |
23.3%
|
| 3 | moderate | 870 |
16.4%
|
| 4 | severe | 264 |
5%
|
| 5 | extreme/cannot do | 29 |
0.5%
|
| Sysmiss | 753 |