Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 390 |
13.8%
|
1 | yes, effective at preventing pregnancy | 1661 |
58.9%
|
2 | no, not effective at preventing pregnancy | 758 |
26.9%
|
98 | don't know | 13 |
0.5%
|
9999995 | missing:impute | 0 |
0%
|