| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2358 |
44.3%
|
| 2 | mild | 1412 |
26.5%
|
| 3 | moderate | 1191 |
22.4%
|
| 4 | severe | 329 |
6.2%
|
| 5 | extreme/cannot do | 29 |
0.5%
|
| Sysmiss | 753 |