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Table 9 Adjusted odds ratios and confidence intervals for maternal alcohol use during pregnancy on birth outcomes

From: A harmonized analysis of five Canadian pregnancy cohort studies: exploring the characteristics and pregnancy outcomes associated with prenatal alcohol exposure

Exposure

Outcome

N

AORa

95% CI

Any alcohol consumption

 Preterm birth

5,743

1.23

(0.93, 1.63)

 Small for gestational age

5,516

1.12

(0.91, 1.37)

Binge drinkingb

 Preterm birth

4,554

1.34

(0.84, 2.07)

 Small for gestational age

4,329

1.01

(0.71, 1.43)

  1. aModel is adjusted for maternal age, race/ethnicity, alcohol use in the one year prior to pregnancy, smoking during pregnancy, income, gravidity, gestational hypertension, and gestational diabetes
  2. bBinge drinking was defined as consuming 5 or more drinks on one occasion AOF, APrON, FAMILY and T3D, and 4 or more drinks per occasion for OBS