| Variable | OR | (95% CI) | P-value |
| Contraceptive use |
|
|
|
| Yes | 26.00 | 8.12 - 83.25 | <0.001 |
| No* | 1.00 | - | - |
| Type of contraceptive used |
|
|
|
| None* | 1.00 | - | - |
| DMPA | 29.71 | 9.01 - 97.96 | <0.001 |