Table 2.
Associations of pregnancy end groups with incidence of OUD (two-year follow-up).
| Groups | n (risk1) | OR2 (95% CI) | a3OR2 (95% CI) | p |
|---|---|---|---|---|
| Normal vaginal delivery | 904 (219.30) | 1 [Reference] | 1 [Reference] | – |
| Ectopic pregnancy | 46 (407.91) | 1.86 (1.38, 2.51) | 1.84 (1.36, 2.48) | <0.001 |
| Cesarean delivery | 368 (326.04) | 1.49 (1.32, 1.68) | 1.46 (1.29, 1.65) | <0.001 |
| Miscarriage | 411 (508.63) | 2.33 (2.07, 2.61) | 2.19 (1.94, 2.47) | <0.001 |
| Induced abortion | 71 (452.40) | 2.07 (1.62, 2.63) | 2.31 (1.80, 2.96) | <0.001 |
1
Per 100,000 individuals;
2
Odds of OUD for given group, compared to normal vaginal delivery;
3
Adjusted for all variables shown in Supplemental Table 1.