| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 49 |
84.5%
|
| 2 | Some difficulty | 7 |
12.1%
|
| 3 | A lot of difficulty | 2 |
3.4%
|
| 4 | Cannot walk at all | 0 |
0%
|
| 9 | No response | 0 |
0%
|
| Sysmiss | 4596 |