| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 303 |
67.9%
|
| 2 | Some difficulty | 32 |
7.2%
|
| 3 | A lot of difficulty | 30 |
6.7%
|
| 4 | Cannot walk 100 m at all | 80 |
17.9%
|
| 9 | No response | 1 |
0.2%
|
| Sysmiss | 36606 |