| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 0 |
0%
|
| 1 | none | 3620 |
61.6%
|
| 2 | mild | 1465 |
24.9%
|
| 3 | moderate | 577 |
9.8%
|
| 4 | severe | 135 |
2.3%
|
| 5 | extreme/cannot do | 66 |
1.1%
|
| 9 | not applicable | 7 |
0.1%
|
| 97 | 1 |
0%
|
|
| 99 | 2 |
0%
|
|
| Sysmiss | 18 |