| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3043 |
57.3%
|
| 2 | mild | 1041 |
19.6%
|
| 3 | moderate | 895 |
16.8%
|
| 4 | severe | 296 |
5.6%
|
| 5 | extreme/cannot do | 35 |
0.7%
|
| 9 | n/a | 4 |
0.1%
|
| Sysmiss | 758 |