Table 1.

Characteristics of the study groups: mean±SD / frequency count

	Control (n=20)	AUD (n=24)	p-value*
N (men/women)	13 / 7	17 / 7	0.68
Age (years)	54.1±9.3	53.7±8.8	0.90
Handedness (Right/Left)	19 / 1	20 / 4	0.23
Ethnicity▯(Caucasian/African American/Asian)	8 / 5 / 7	14 / 9 / 1	0.03
Body Mass Index	25.0±3.6	28.9±5.7	0.01
Education (years)	16.2±2.3	13.0±1.8	0.0001
Socioeconomic Status#	25.4±15.7	44.5±13.2	0.0001
Global Assessment of Function (GAF)	87.3±4.2	65.0±9.2	0.0001
Beck Depression Index (BDI)	5.2±5.2	14.7±10.0	0.001
AUD onset age	-	21.7±6.6	n.a.
Days since last drink	-	105.7±94.5	n.a.
Lifetime alcohol consumption (kg)	53.6±81.2	1798.3±1638.0	<0.0001
Alcohol consumption years	-	32.0±9.6	n.a.
CIWA score	-	23.2±17.7	n.a.
Smoker (never/past/current)	18 / 0 / 2	4/6/14	0.0001
Nicotine (daily)	1.1±3.3	4.6±3.9	0.008
WTAR IQ†	102.3±11.2	96.3±10.2	0.0842
Cognitive Test Composite Scores: Age-corrected Z-scores
Executive Function	−.002±0.70	−1.18±0.75	0.0001
Attention and Working Memory	−.001±1.00	−0.78±1.02	0.0168
Memory and Learning	−0.24±0.65	−1.10±0.88	0.0001
Visuospatial Abilities	0.001±0.73	−1.63±1.29	0.0001

t-tests used on continuous variables (e.g., age); |2 used on nominal variables (e.g., handedness)

^▯self-defined

^#lower score = higher status

^†WTAR IQ = Wechsler Test of Adult Reading Intelligence Quotient

bold = statistically significant at p≤.05 (2-tailed)