| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 0 |
0%
|
| 1 | none | 4190 |
75.1%
|
| 2 | mild | 903 |
16.2%
|
| 3 | moderate | 367 |
6.6%
|
| 4 | severe | 81 |
1.5%
|
| 5 | extreme/cannot do | 34 |
0.6%
|
| 9 | not applicable | 3 |
0.1%
|
| 97 | 1 |
0%
|
|
| 99 | 2 |
0%
|
|
| Sysmiss | 310 |