| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4593 |
77.3%
|
| 2 | mild | 824 |
13.9%
|
| 3 | moderate | 378 |
6.4%
|
| 4 | severe | 115 |
1.9%
|
| 5 | extreme/cannot do | 24 |
0.4%
|
| 9 | n/a | 6 |
0.1%
|
| Sysmiss | 545 |