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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: J Psychiatr Res. 2018 Oct 19;109:164–172. doi: 10.1016/j.jpsychires.2018.10.013

Table 3.

Demographic characteristics of the sample

HC (N = 284) PC (N = 311) IED (N = 265) p =
Demographic Variables
Age 34.4 ± 10.4 35.8 ± 9.7 37.8 ± 10.2 < .001a
Gender (% Male) 49% 42% 48% .321b
Race (% W / AA / Other) 77 / 14 / 9 83 / 13 / 4 56 / 32 / 12 < .000c
SES Score 48.5 ± 10.9 46.4 ± 12.9 40.4 ± 13.7 < .001d
Psychometric Variables
LHA Trait Aggressive Behavior 5.5 ± 3.5 8.0 ± 4.9 17.2 ± 4.6 < .001e
LHIB Trait Impulsive Behavior 30.8 ± 17.7 40.3 ± 17.5 52.7 ± 17.9 < .001e
BPAQ Trait Anger 13.3 ± 4.8 15.0 ± 5.3 23.3 ± 7.0 < .001e
PCL-SV Psychopathy 5.6 ± 5.1 5.3 ± 5.3 5.8 ± 5.5 .481

Notes.

a

: ANOVA: IED > PC = HC;

b

: Chi-Square;

c

: Chi-Square: IED < PC = HC;

d

: ANOVA: IED = PC < HC;

e

: ANOVA: IED > PC > HC;

f

: IED > PC = HC