Table 1.

Sample characteristics by alcohol exposure group (N = 25)

	Control (12)	Alcohol exposed (13)	t or χ2
Maternal characteristics
Age at delivery	25.2 (3.4)	26.5 (5.4)	-0.72
Years of education	8.4 (2.2)	7.0 (2.7)	1.44
Married (%)	38.5	50.0	-0.56
Parity	2.6 (1.4)	2.3 (1.1)	0.54
Alcohol during pregnancy
oz AA/day	0.004 (0.01)	2.7 (2.3)	-4.18***
oz AA/occasion	0.17 (0.4)	6.5 (3.3)	-6.84***
Frequency (days/week)	0.03 (0.09)	2.8 (1.4)	-7.24***
Binges (frequency)	0.08 (0.08)	10.5 (5.8)	-6.46***
Alcohol dependent (%)a	11.1	76.9	-9.21**
Cigarettes/day during pregnancy	3.4 (3.4)	8.6 (7.9)	-2.00†
Child characteristics
Child gender (% male)	41.7	23.1	-0.32
Age at EBC visit
Delay conditioningb	11.1 (1.2)	11.1 (1.2)	0.00
Trace conditioningb	12.7 (1.2)	12.7 (1.3)	-0.04
Years between delay and trace conditioningb	1.5 (0.2)	1.6 (0.1)	-0.36
Age at DTI scan	11.8 (1.2)	11.8 (1.2)	0.16
Grade in school	4.3 (1.3)	3.7 (1.4)	1.19
Weight (kg)c	34.2 (7.8)	28.7 (7.2)	1.82†
Height (cm)c	136.5 (7.5)	131.3 (9.6)	1.49
Head circumference (cm)c	53.1 (1.5)	51.1 (2.7)	2.30*
WISC IQ	76.6 (13.1)	62.8 (9.3)	3.05**
Volumetric measures (mm3)d
Total brain volume	1.28 × 106 (1.52 × 105)	1.14 × 106 (1.33 × 105)	2.40*
Cerebellar volume	1.49 × 105 (1.48 × 105)	1.30 × 105 (1.94 × 105)	2.60*
Cerebellar white matter	3.21 × 104 (5.87 × 103)	2.61 × 104 (4.73 × 103)	2.74**
Cerebellar gray matter	1.17 × 105 (1.05 × 104)	1.04 × 105 (1.60 × 104)	2.25

Values are means (SD).

^aBased on the NAWS; missing for three mothers.

^bN = 17 for whom both delay and trace data were available.

^cAt dysmorphology assessment.

^dMissing for one child.

^†p < 0.10.

^*p < 0.05.

^**p < 0.01.

^***p < 0.001.