| Value | Category | Cases | |
|---|---|---|---|
| 0 | No flag | 503 |
95.6%
|
| 1 | > interval | 8 |
1.5%
|
| 2 | > interval by 1 month | 4 |
0.8%
|
| 4 | During pregnancy in calendar | 11 |
2.1%
|
| Sysmiss | 32113 |