| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 10620 |
58%
|
| 2 | SOME DIFFICULTY | 527 |
2.9%
|
| 3 | A LOT OF DIFFICULTY | 58 |
0.3%
|
| 4 | CANNOT WALK AT ALL | 28 |
0.2%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 7078 |
38.7%
|