| Value | Category | Cases | |
|---|---|---|---|
| 2 | Some difficulty | 51 |
98.1%
|
| 3 | A lot of difficulty | 1 |
1.9%
|
| 4 | Cannot walk 500 m at all | 0 |
0%
|
| 9 | No response | 0 |
0%
|
| Sysmiss | 4277 |