Value | Category | Cases | |
---|---|---|---|
-9 | NIU (not in universe) | 119 |
5.2%
|
1 | yes, effective at preventing pregnancy | 1473 |
63.8%
|
2 | no, not effective at preventing pregnancy | 684 |
29.6%
|
98 | don't know | 34 |
1.5%
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 473 |