| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 4070 |
97.8%
|
| 2 | no, refused | 34 |
0.8%
|
| 3 | cannot walk | 59 |
1.4%
|
| 8 | dk | 0 |
0%
|
| 9 | na | 0 |
0%
|
| Sysmiss | 502 |