| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 1870 |
31.5%
|
| 2 | mild | 2400 |
40.4%
|
| 3 | moderate | 1516 |
25.5%
|
| 4 | severe | 149 |
2.5%
|
| 5 | extreme/cannot do | 3 |
0.1%
|
| Sysmiss | 381 |