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Frequency of Pregnancies and Relative Risk of Ectopic Pregnancy by Prepregnancy Depression Status.
| Prepregnancy Depression | N | Eventsa (Riskb) | Risk Differenceb (95% CI) | Relative Risk (95% CI) | |
|---|---|---|---|---|---|
| Crude | IPT-Weighted | ||||
| No | 1,596,457 | 28,244 (177) | Reference | 1.00 (Reference) | 1.00 (Reference) |
| Yes | 106,788 | 2,289 (214) | 37 (29 to 46) | 1.21 (1.16 to 1.26) | 1.09 (1.04 to 1.15) |
Note. IPT = inverse probability of treatment.
a Number of ectopic pregnancies.
b Per 10,000 pregnancies.
