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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Brain Imaging Behav. 2020 Oct;14(5):1731–1746. doi: 10.1007/s11682-019-00107-6

Table 1.

Participant characteristics for the BD and LD groups.

BD (n=18) LD (n=17) Stat. Value p<
% Female 64.3% 50.0% .62 .43a
Age 23.3 ± 3.1 25.6 ± 4.2 103 .10
Family History Positive for Alcoholism 50.0% 56.3% .12 .73a
Education years 15.3 ± 1.8 15.8 ± 2.2 117 .48
Undergraduate GPA 3.3 ± 0.4 3.6 ± 0.3 72.5 .03
drinking days/wk 2.7 ± 1.1 1.5 ±1.0 63.5 .003
drinks/occasion 5.3 ± 2.5 2.3 ± 1.2 41 < .001
binge episodes in past 6 mos 14.9 ± 14.0 0.4 ± 0.7 .000 < .001
alcohol-induced blackouts in 6 mos 3.2 ± 2.7 0.2 ± 0.5 35 < .001
Max no. of drinks in 24 hrs/past 6 mos 12.6 ± 8.9 3.6 ± 2.0 12.5 < .001
Age Onset of alcohol use 16.2 ± 1.8 18.4 ± 2.0 58.5 .005
AUD symptom severity (SMAST) 2.4 ± 2.3 0.8 ± 1.0 76 .009
AUD Identification Test (AUDIT) 13.7 ± 5.9 4.1 ± 1.5 5.5 < .001
Drinking Motivation (DMQ-R SF)
 Enhancement 2.3 ± 0.3 1.7 ± 0.4 36.5 < .001
 Social 2.7 ± 0.4 2.0 ± 0.4 39 <.001
 Conformity 1.5 ± 0.6 1.4 ± 0.5 129 .57
 Coping 1.7 ± 0.5 1.2 ± 0.3 51.5 <.001
Drinking consequences (B-YAACQ) 9.6 ± 6.5 2.7 ± 3.1 49.5 .001
Alcohol Craving (PACS) 8.1 ± 4.9 2.8 ± 2.7 51 .001
Anxiety (GAD-7) 2.7 ± 2.6 3.0 ± 2.7 147 .84
Depression (PHQ-9) 3.4 ± 3.2 3.1 ± 3.0 144.5 .77
ADHD Symptoms (ARSS) 1.7 ± 1.6 1.0 ± 1.2 120.5 .26
Impulsivity (ABIS)
 Attention 2.1 ± 0.5 1.9 ± 0.4 116.5 .22
 Motor 2.2 ± 0.8 1.8 ± 0.4 1081 .13
 Non-Planning 2.1 ± 0.6 1.8 ± 0.5 125 .35
Sensation Seeking (BSSS)
 Experience 4.3 ± 0.8 4.0 ± 0.9 114 .27
 Boredom 4.1 ± 0.8 3.6± 0.7 81.5 .02
 Thrill 3.6 ± 1.1 3.6 ± 1.2 138 .82
 Disinhibition 3.8 ± 0.7 3 ± 1.1 82 .03
Eysenck Personality Quest. (EPQ)
 Neuroticism 3.7 ± 2.8 3.5 ± 3.8 126.5 .53
 Psychoticism 2.5 ± 2.1 2.4 ±1.4 141 .91
 Extraversion 9.4 ± 2.6 7.9 ± 3.55 109.5 .22
WASI-II intelligence scale (percentile) 68.3 ± 21.4 76.6 ± 19.4 110 .24

Included are group characteristics (Mean ± SD or %) for BD and LD groups.

a

Tested with Chi-Square; all other comparisons performed with the Mann-Whitney U test.