Skip to main content

Table 3 Adjusted odds ratio (95 % CI) for pregnancy and labour outcomes according to maternal obesity

From: Obesity and pregnancy outcomes: Do the relationships differ by maternal region of birth? A retrospective cohort study

 

Australian women odds ratio (95 % CI)

P value

South Asian Women odds ratio (95 % CI)

P value

P for interaction

Gestational Hypertension/PE/HELLP a

3.14(2.78–3.54)

<0.001

1.59(1.14–2.21)

0.006

0.001

Gestational Diabetes b

3.21(2.80–3.67)

<0.001

1.89(1.57–2.28)

<0.001

<0.001

Preterm Birth c

1.04(0.93–1.16)

0.49

1.08(0.81–1.45)

0.60

0.99

Dystocia d

1.11(0.87–1.41)

0.16

1.99(1.26–2.96)

0.002

0.006

PPH1000ml e

1.49(1.30–1.71)

<0.001

1.32(0.96–1.82)

0.09

0.36

Instrumental Vaginal f

0.73(0.65–0.82)

<0.001

0.76(0.57–1.01)

0.05

0.73

Unplanned Caesarean g

1.35(1.23–1.49)

<0.001

1.38(1.15–1.66)

0.001

0.48

  1. Number in bold reflect statistical significance
  2. a Odds ratio for Gestational Hypertension/PE/HELLP according to maternal obesity adjusted for age, parity and smoking status
  3. b Odds ratio for gestational diabetes according to maternal obesity adjusted for age, parity and smoking status
  4. c Odds ratio for preterm birth according to maternal obesity adjusted for age, parity and smoking
  5. d Odds ratio for shoulder dystocia according to maternal obesity adjusted for age, parity, induction, augmentation and epidural
  6. e Odds ratio for PPH1000mls according to maternal obesity adjusted age, parity, placental abnormality, baby birth weight, gestational hypertension/PE/HELLP, onset of labour, birth type (e.g. vaginal/instrumental/operative), episiotomy, Length of labour and pre-existing maternal blood disorder
  7. f Odds ratio for instrumental delivery according to maternal obesity adjusted for maternal age, parity, onset of birth, epidural, baby birth weight, gestation, head position, augmentation and account class
  8. g Odds ratio for Unplanned caesarean delivery according to maternal obesity adjusted for maternal age, parity, account class, previous ceasarean, onset of labour, gestation, birth weight, augmentation, epidural