| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 280 |
72.5%
|
| 2 | Some difficulty | 51 |
13.2%
|
| 3 | A lot of difficulty | 19 |
4.9%
|
| 4 | Cannot walk at all | 36 |
9.3%
|
| 9 | No response | 0 |
0%
|
| Sysmiss | 42022 |