| Value | Category | Cases | |
|---|---|---|---|
| 2 | SOME DIFFICULTY | 167 |
89.3%
|
| 3 | A LOT OF DIFFICULTY | 14 |
7.5%
|
| 4 | CANNOT WALK 500 M/Y AT ALL | 1 |
0.5%
|
| 9 | NO RESPONSE | 5 |
2.7%
|
| Sysmiss | 22519 |