| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3985 |
71.4%
|
| 2 | mild | 1009 |
18.1%
|
| 3 | moderate | 417 |
7.5%
|
| 4 | severe | 141 |
2.5%
|
| 5 | extreme /cannot do | 33 |
0.6%
|
| Sysmiss | 306 |