| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3654 |
61.5%
|
| 2 | mild | 1555 |
26.2%
|
| 3 | moderate | 673 |
11.3%
|
| 4 | severe | 51 |
0.9%
|
| 5 | extreme/cannot do | 5 |
0.1%
|
| Sysmiss | 381 |