| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 54 |
87.1%
|
| 2 | Some difficulty | 1 |
1.6%
|
| 3 | A lot of difficulty | 1 |
1.6%
|
| 4 | Cannot walk 100 m at all | 5 |
8.1%
|
| 9 | No response | 1 |
1.6%
|
| Sysmiss | 4267 |