| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | 1 |
0%
|
|
| 1 | Yes, this visit and/or previous visit | 1725 |
61.2%
|
| 2 | No | 1038 |
36.8%
|
| 99 | Don't know | 54 |
1.9%
|
| Sysmiss | 404 |