Table 3

Maternal alcohol consumption

Maternal drinkingaCaseControlORb95% CI
n%n%
Lifetime
Never24749.424448.51.0
Ever25350.625951.50.90.7–1.1
Around pregnancyc
Never26452.928156.11.0
Ever23547.122043.91.10.8–1.4
1 mo before conception
Never29458.931262.31.0
Ever20541.118937.71.10.8–1.4
1st trimester
Never40380.842384.41.0
Ever9619.27815.61.20.9–1.7
2nd trimester
Never43988.046192.01.0
Ever6012.0408.01.61.0–2.4
3rd trimester
Never44188.445891.41.0
Ever5811.6438.61.40.9–2.1
Breastfeeding
Never26683.128485.51.0
Ever5416.94814.51.00.5–2.0
1st trimester (g/day)
Nondrinker42986.045089.81.0
≤1.5265.2224.41.10.6–1.9
1.5–5244.8132.61.90.9–3.9
>5204.0163.21.00.5–2.1
2nd trimester (g/day)
Nondrinker45891.847194.01.0
≤1.5234.6193.81.20.6–2.2
1.5–5153.071.42.10.8–5.3
>530.640.80.90.2–4.0
  • a A total of four cases and one control had missing information on alcohol use history.

  • b Adjusted for child’s gender, mother’s race and education, and household income in the birth year.

  • c Included 1 month before and during the pregnancy and during breastfeeding.