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Table 4 Association between ART status and preterm birth among singleton birth mothers, Australia, 2007–2009

From: Risk factors associated with preterm birth among singletons following assisted reproductive technology in Australia 2007–2009–a population-based retrospective study

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
  1. (a) Multiple logistic regression model adjusted for maternal age.
  2. (b) Multiple logistic regression model adjusted for maternal age, country of birth, smoking status during pregnancy, SEIFA, parity, health insurance type and remoteness.
  3. (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.