| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 11 |
16.2%
|
| 2 | no | 40 |
58.8%
|
| 3 | no visit during the past 12 months | 16 |
23.5%
|
| 88 | refused | 1 |
1.5%
|
| Sysmiss | 4341 |