| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2611 |
44%
|
| 2 | mild | 1961 |
33%
|
| 3 | moderate | 1141 |
19.2%
|
| 4 | severe | 159 |
2.7%
|
| 5 | extreme/cannot do | 66 |
1.1%
|
| Sysmiss | 381 |