| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4300 |
80.8%
|
| 2 | mild | 431 |
8.1%
|
| 3 | moderate | 503 |
9.5%
|
| 4 | severe | 69 |
1.3%
|
| 5 | extreme/cannot do | 16 |
0.3%
|
| Sysmiss | 753 |