| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3326 |
56%
|
| 2 | mild | 1823 |
30.7%
|
| 3 | moderate | 725 |
12.2%
|
| 4 | severe | 56 |
0.9%
|
| 5 | extreme/cannot do | 8 |
0.1%
|
| Sysmiss | 381 |