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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Drug Alcohol Depend. 2016 Feb 8;161:222–229. doi: 10.1016/j.drugalcdep.2016.02.006

Table 2.

Clinical variables of participants according to substance use disorder category – No Substance Use Disorder (No SUD), Alcohol Use Disorder (AUD) alone, and Multi-substance Use Disorder (MSUD)

Clinical variable Overall
p-value		 No
SUD
n=347		 AUD
alone
n=146		 MSUD
n=284
n (%) n (%) n (%)
Any affective disorder
 Yes .015 77 (22.2) 41 (28.1) 92 (32.4)a
Any anxiety disorder
 Yes .483 58 (16.7) 24 (16.4) 57 (20.1)
ASPD or CD
 Yes <.001 28 (8.1) 21 (14.4) 91 (32.0)bc
ADHD
 Yes <.001 14 (4.0) 9 (6.2) 39 (13.7)d
a

p<.01 MSUD vs. No SUD, χ2(1)=8.3;

b

p<.01 MSUD vs. No SUD, χ2(1)=58.7;

c

p<.01 MSUD vs. AUD alone, χ2(1)=15.6;

d

p<.01 MSUD vs. No SUD, χ2(1)=19.1

Clinical variables are presented according to the three substance use disorder categories: No SUD, AUD alone and MSUD. The overall p-values reported are Pearson Chi-Square. Substance use disorder categories were then compared in pairs using Fisher’s Exact test, with significance set at p<.01.