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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Alcohol. 2015 Jul 21;49(6):617–623. doi: 10.1016/j.alcohol.2015.06.002

Table 2.

Use of Alcohol & Other Substances by Study Group (N=85)

Controls
N=43
PAE
N=42
p value

Alcohol Use
Past 12 months
  AUDIT (Mean ± s.d.) 1.49 ± .28 16.12 ± 1.44 <.001
  AUDIT ≥ 8 (%) 0.0 76.2 <.001
Alcohol use in periconceptional period
  Frequency of binge (≥4 drinks)
    No binge episodes (%) 100.0 4.8
    Once/week or less (%) 0.0 40.5
    2–4 times a week (%) 0.0 28.6
    ≥5 times/week (%) 0.0 26.2 <.001
  Average AA per day (AAD0; Mean ± s.d.) 0.002 ± 0.001 2.23 ± 0.44 <.001
  Average AA per drinking day (AADD0; Mean ± s.d.)a 1.00 ± .50 3.94 ± 0.45 0.02
Alcohol use at enrollment
    At least one binge episode during pregnancy (%) 0 100.0 <.001
    Average AA per day (AAD1; Mean ± s.d.) 0 .091 ± .24
    Average AA per drinking day (AADD1; Mean ± s.d.) b 0 3.83 ± 3.09
Illicit Drugs and Tobacco
Marijuana (%) 32.6 54.8 0.04
Cocaine/crack-cocaine (%) 30.2 31.0 0.94
Opioids/opioid-maintenance therapy (%) 93.0 66.7 <0.01
Benzodiazepines (%) 18.6 21.4 0.75
Amphetamines (%) 14.0 26.2 0.16
Tobacco (%) 81.4 78.6 0.75
a

Only among patients who reported any drinking in periconceptional period (2 controls and 41 exposed).

b

Only among patients who reported any drinking 2 weeks before enrollment (5 exposed).

AA = ounces of absolute alcohol.