Table 2.

Associations between maternal alcohol intake in pregnancy and DAP¹ raw scores and IQ scores.

Average no. drinks/week in pregnancy	Mean score	Crude		Adjusted for core confounders2		Adjusted for core and potential confounders3
		Mean Difference	95% CI	Mean difference	95% CI	Mean difference	95% CI
	Raw score
0	98.95	references	-	references	-	references	-
1–4	100.52	1.57	[−0.63; 3.78]	1.61	[−0.33; 3.56]	1.51	[−0.49; 3.51]
5–8	97.12	−1.83	[−5.22; 1.56]	−0.10	[−3.04; 2.84]	−0.14	[−3.23; 2.96]
9+	90.55	−8.39	[−14.58; −2.21]	−7.48	[−12.89; −2.06]	−6.26	[−12.14; −0.39]
p value4		0.007		0.008		0.040
	IQ score
0	12.15	references	-	references	-	references	-
1–4	12.7952	0.64	[−0.33; 1.62]	0.65	[−0.21; 1.51]	0.61	[−0.28; 1.49]
5–8	11.28	−0.87	[−2.35; 0.62]	0.10	[−1.40; 1.19]	−0.13	[−1.49; 1.24]
9+	8.45	−3.70	[−6.25; −1.15]	3.34	[−5.56; −1.12]	−2.80	[−5.24; −0.37]
p value		0.004		0.005			0.032

¹Draw-a-Person Intellectual Ability Test for Children, Adolescents, and Adults.

²Parental education, maternal IQ, prenatal maternal smoking, the child’s sex and age, and tester.

³Parental education, maternal IQ, prenatal maternal smoking and binge drinking, maternal age, parity, prenatal and postnatal marital status, postnatal parental smoking, maternal pre-pregnancy BMI, the child’s sex, age, health status, hearing and vision on the day of testing, family/home environment, and tester.

⁴P-value for the hypothesis of no difference in attention scores across levels of average alcohol intake.