ART status | All singleton births | Preterm births (N = 27,090) |
|---|
(N = 393,450) | N (%) | OR (95% CI) | AOR (a)(95% CI) | AOR (b)(95% CI) | AOR (c)(95% CI) |
|---|
Yes | 12,105 | 1,219 (10.1) | 1.54 (1.45–1.63) | 1.56 (1.46–1.66) | 1.62 (1.52–1.73) | 1.51 (1.42–1.61) |
No | 381,345 | 25,871 (6.8) | 1 | 1 | 1 | 1 |
- (a) Multiple logistic regression model adjusted for maternal age.
- (b) Multiple logistic regression model adjusted for maternal age, country of birth, smoking status during pregnancy, SEIFA, parity, health insurance type and remoteness.
- (c) Multiple logistic regression model adjusted for maternal age, country of birth, smoking status during pregnancy, SEIFA, parity, health insurance type, remoteness, essential hypertension, diabetes mellitus, epilepsy, hypertensive disorders in pregnancy, gestational diabetes and antepartum haemorrhage.
