| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2702 |
45.5%
|
| 2 | mild | 1982 |
33.4%
|
| 3 | moderate | 1050 |
17.7%
|
| 4 | severe | 142 |
2.4%
|
| 5 | extreme/cannot do | 27 |
0.5%
|
| 9 | n/a | 35 |
0.6%
|
| Sysmiss | 381 |