| Value | Category | Cases | |
|---|---|---|---|
| 2 | Some difficulty | 289 |
74.9%
|
| 3 | A lot of difficulty | 33 |
8.5%
|
| 4 | Cannot walk at all | 62 |
16.1%
|
| 9 | No response | 2 |
0.5%
|
| Sysmiss | 42022 |