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| Variable | Adjusted RR (95% CI) |
|---|---|
| Parity | 0.78 (0.405-1.487) |
| Cesarean delivery | 0.75 (0.393-1.434) |
| Unplanned pregnancy | 0.69 (0.363-1.302) |
| Unadjusted | 0.75 (0.392-1.433) |
Note: CI = confidence interval, RR = risk ratio.
