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Table 3 Selected demographics, maternal obstetric history and maternal and neonatal outcomes among Australian-born and non-Australian-born women, N = 3092

From: Obstetric and psychosocial risk factors for Australian-born and non-Australian born women and associated pregnancy and birth outcomes: a population based cohort study

  Australian-born n = 1341 Non-Australian-born n = 1751 p
Maternal age* 28.0 (5.88) 30.0 (4.99) <0.0001
Teenage pregnancy 7.8 % 1.5 % <0.0001
Pregnancy ≥35 years 14.7 % 19.0 % 0.002
Nulliparous 28.6 % 27.5 % 0.52
Smoking 19.7 % 3.0 % <0.0001
BMI ≥ 30 32.0 % 21.4 % <0.0001
Gestational Diabetes 6.8 % 13.7 % <0.0001
Instrumental delivery 9.6 % 12.0 % 0.04
Caesarean section 27.0 % 30.0 % 0.06
Epidural use 26.2 % 20.2 % <0.0001
Episiotomy 18.0 % 15.5 % 0.06
  1. *Mean, SD and t-test, Median, IQ range, Mann–Whitney U