| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2576 |
43.4%
|
| 2 | mild | 2235 |
37.6%
|
| 3 | moderate | 990 |
16.7%
|
| 4 | severe | 135 |
2.3%
|
| 5 | extreme/cannot do | 2 |
0%
|
| Sysmiss | 381 |