| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1947 |
96.6%
|
| 2 | Unable to walk | 43 |
2.1%
|
| 3 | Spastic | 2 |
0.1%
|
| 4 | Ataxic | 10 |
0.5%
|
| 5 | other | 13 |
0.6%
|
| 9 | Missing | 14 | |
| Sysmiss | 655 |