| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3985 |
71.4%
|
| 2 | mild | 1039 |
18.6%
|
| 3 | moderate | 401 |
7.2%
|
| 4 | severe | 130 |
2.3%
|
| 5 | extreme /cannot do | 30 |
0.5%
|
| Sysmiss | 306 |