| Value | Category | Cases | |
|---|---|---|---|
| 2 | SOME DIFFICULTY | 176 |
1.2%
|
| 3 | A LOT OF DIFFICULTY | 41 |
0.3%
|
| 4 | CANNOT WALK 100 M AT ALL | 39 |
0.3%
|
| 9 | NO RESPONSE | 2 |
0%
|
| Sysmiss | 14432 |
98.2%
|