| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2172 |
36.6%
|
| 2 | mild | 2444 |
41.2%
|
| 3 | moderate | 1193 |
20.1%
|
| 4 | severe | 127 |
2.1%
|
| 5 | extreme/cannot do | 2 |
0%
|
| Sysmiss | 381 |