| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2730 |
51.3%
|
| 2 | mild | 1089 |
20.5%
|
| 3 | moderate | 1221 |
22.9%
|
| 4 | severe | 222 |
4.2%
|
| 5 | extreme/cannot do | 59 |
1.1%
|
| Sysmiss | 751 |