Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 25 |
0.9%
|
1 | yes, effective at preventing pregnancy | 1953 |
69.2%
|
2 | no, not effective at preventing pregnancy | 836 |
29.6%
|
98 | don't know | 8 |
0.3%
|
9999995 | missing:impute | 0 |
0%
|