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Table 3 Adjusted and unadjusted odds ratios for the development of GOR/GORD (up to 1 year of age) for variables significantly different at cross tabulation

From: Gastro-oesophageal reflux: a mixed methods study of infants admitted to hospital in the first 12 months following birth in NSW (2000–2011)

  OR (99% CI) AOR (99% CI) p
Primiparous 1.48 (1.42–1.54) 1.49 (1.43–1.55) < 0.001
Mother Australian born 2.03 (1.92–2.15) 1.67 (1.58–1.77) < 0.001
Born in a private hospital 1.34 (1.28–1.40) 1.45 (1.39–1.52) < 0.001
Any maternal hypertension 1.47 (1.37–1.57) 1.07 (0.99–1.15)  
Any maternal psychiatric condition 5.20 (4.97–5.43) 4.68 (4.48–4.90) < 0.001
Multiple birth 3.20 (2.97–3.44) 1.53 (1.40–1.66) < 0.001
Non-cephalic presentation 1.83 (1.70–1.97) 1.10(1.01–1.19) < 0.001
Premature (< 37 weeks gestation) 3.24 (3.08–3.43) 1.98 (1.84–2.13) < 0.001
Early term birth (37–38 weeks) 1.30 (1.25–1.37) 1.37 (1.31–1.45) < 0.001
Delivered via caesarean section 1.20 (1.17–1.22) 1.13 (1.08–1.78) < 0.001
Second APGAR < 7 2.18 (1.93–2.47) 0.92 (0.80–1.05)  
Birth weight < 3rd centile 1.21 (1.05–1.39) 0.92 (0.80–1.06)  
Admitted to SCN/NICU 2.48 (2.37–2.60) 1.42 (1.34–1.50) < 0.001
Required resuscitation (any type) 1.52 (1.45–1.58) 1.07 (1.03–1.12) < 0.001
Intubation of any form 4.71 (4.21–5.27) 2.46 (1.14–2.82) < 0.001
Male baby 1.17 (1.12–1.22) 1.14 (1.10–1.14) < 0.001