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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Drug Alcohol Depend. 2020 Apr 25;212:107998. doi: 10.1016/j.drugalcdep.2020.107998

Table 1.

Validation Sample Characteristics

Characteristic Value Range (Min - Max) Cronbach’s Alpha
n (male/female) 847 (458/389) - -
Age Mean(± SD) 21.24 (2.50) 18 – 30 -
Diagnostic Infoi mation
% (n) with Alcohol Use Disorder 67% (571) - -
% (n) with Cannabis Use Disorder 48% (410) - -
% (n) with other Drug Use Disorder 20% (167) - -
Trait Measures
Antisocial Personality M (± SD) 6.74 (6.48) 0 – 37 .90
ADHD M (± SD) 9.80 (10.12) 0 – 37 .96
Intelligence (IQ) M (± SD) 111.60 (10.19) 79 – 144 -
Borderline Personality M (± SD) 3.79 (3.36) 0 – 15 .77
Trait Anxiety M (± SD) 38.95 (9.40) 21 – 71 .92*
Neuroticism Questionnaire M (± SD) 8.58 (5.49) 0 – 23 .87

ADHD = Attention Deficit Hyperactivity Disorder, Antisocial Personality = adult antisocial problems, Borderline Personality = Borderline Personality symptoms.

*

Ordinal Alpha.