| Value | Category | Cases | |
|---|---|---|---|
| 2 | SOME DIFFICULTY | 492 |
83%
|
| 3 | A LOT OF DIFFICULTY | 74 |
12.5%
|
| 4 | CANNOT WALK 500 M/Y AT ALL | 9 |
1.5%
|
| 9 | NO RESPONSE | 18 |
3%
|
| Sysmiss | 16951 |