| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 2370 |
96.8%
|
| 2 | Some difficulty | 57 |
2.3%
|
| 3 | A lot of difficulty | 15 |
0.6%
|
| 4 | Cannot walk/climb steps at all | 4 |
0.2%
|
| 9 | No response | 3 |
0.1%
|
| Sysmiss | 1576 |