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

Table 4 Adjusted odds ratio (95 % CI) for baby outcomes according to obesity

	Australian women odds ratio (95 % CI)	P value	South Asian Women odds ratio (95 % CI)	P value	P for interaction
Small for gestational age ^a	0.64(0.57–0.72)	<0.001	0.64(0.51–0.81)	<0.001	0.72
Macroscomia (>4 kg) ^b	1.90(1.73–2.08)	<0.001	2.24(1.75–2.83)	<0.001	0.10
Fetal Distress (pregnancy or labour) ^c	1.19(1.02–1.28)	<0.001	1.31(1.12–1.53)	0.001	0.38
Admission to NICU/SCN ^d	1.33 (1.22–1.45)	<0.001	1.66(1.40–1.97)	<0.001	0.06
Any Perinatal Morbidity ^e	1.18(1.04–1.27)	<0.001	1.45(1.25–1.68)	<0.001	0.052
Stillbirth ^f	0.90(0.57–1.42)	0.65	1.42(0.55–3.63)	0.47	0.15

Number in bold reflect statistical significance
^a Odds ratio for small for gestation age baby according to maternal obesity adjusted for maternal age, parity, smoking and account class
^b Odds ratio for macrosomia according to maternal obesity adjusted for parity, maternal age, account class, smoking, gestation and baby gender
^c Odds ratio for Fetal Distress (pregnancy or labour) according to maternal obesity adjusted for maternal age, parity, smoking, gestation and baby gender
^d Odds ratio for baby admission to NICU/SCN according to maternal obesity adjusted for parity, account class, GDM, gestation, baby gender, onset of labour, birth type
^e Odds ratio for any perinatal morbidity according to maternal obesity adjusted for maternal age, parity, account class, gestation, baby gender, onset of labour, birth type
^f Odds ratio for stillbirth according to maternal obesity adjusted for maternal age, parity, previous caesarean, account class, baby gender, gestation and smoking

ISSN: 1471-2393