| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 0 |
0%
|
| 1 | none | 3809 |
68.2%
|
| 2 | mild | 1103 |
19.8%
|
| 3 | moderate | 455 |
8.1%
|
| 4 | severe | 125 |
2.2%
|
| 5 | extreme/cannot do | 80 |
1.4%
|
| 9 | not applicable | 8 |
0.1%
|
| 97 | 1 |
0%
|
|
| 99 | 2 |
0%
|
|
| Sysmiss | 308 |