| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 6 |
46.2%
|
| 2 | SOME DIFFICULTY | 3 |
23.1%
|
| 3 | A LOT OF DIFFICULTY | 2 |
15.4%
|
| 4 | CANNOT WALK AT ALL | 2 |
15.4%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 7981 |