| Value | Category | Cases | |
|---|---|---|---|
| 1 | Have no problem in walking about | 1901 |
61.4%
|
| 2 | Have some problem in walking about | 1081 |
34.9%
|
| 3 | Confined to bed | 112 |
3.6%
|
| 9 | 2 | ||
| Sysmiss | 128 |