| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2788 |
47%
|
| 2 | mild | 2114 |
35.6%
|
| 3 | moderate | 950 |
16%
|
| 4 | severe | 85 |
1.4%
|
| 5 | extreme/cannot do | 1 |
0%
|
| Sysmiss | 381 |