| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2188 |
41.1%
|
| 2 | mild | 1251 |
23.5%
|
| 3 | moderate | 1443 |
27.1%
|
| 4 | severe | 414 |
7.8%
|
| 5 | extreme/cannot do | 23 |
0.4%
|
| Sysmiss | 753 |