| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 1880 |
33.7%
|
| 2 | mild | 2076 |
37.2%
|
| 3 | moderate | 1225 |
21.9%
|
| 4 | severe | 351 |
6.3%
|
| 5 | extreme /cannot do | 52 |
0.9%
|
| 97 | 1 |
0%
|
|
| Sysmiss | 306 |