| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3104 |
58.4%
|
| 2 | mild | 1027 |
19.3%
|
| 3 | moderate | 924 |
17.4%
|
| 4 | severe | 244 |
4.6%
|
| 5 | extreme/cannot do | 15 |
0.3%
|
| 9 | n/a | 1 |
0%
|
| Sysmiss | 757 |