| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 156 |
83%
|
| 2 | SOME DIFFICULTY | 24 |
12.8%
|
| 3 | A LOT OF DIFFICULTY | 3 |
1.6%
|
| 4 | CANNOT WALK AT ALL | 5 |
2.7%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 6561 |