| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3225 |
54.3%
|
| 2 | mild | 1773 |
29.9%
|
| 3 | moderate | 795 |
13.4%
|
| 4 | severe | 76 |
1.3%
|
| 5 | extreme/cannot do | 21 |
0.4%
|
| 9 | n/a | 48 |
0.8%
|
| Sysmiss | 381 |