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Table 3 Multivariate analysis of variance of EPQ and BIS scales

From: Personality traits and suicide attempts with and without psychiatric disorders: analysis of impulsivity and neuroticism

Dependent variable Presence of psychiatric diagnosis No psychiatric diagnosis F p
Score on suicide idea 39.84 33.10 2.41 0.09
Score on suicide risk 41.40 31.45 7.58 0.001
HAM-17 21.49 9.24 53.80 0.001
EPQP 60.74 57.93 1.31 0.27
EPQE 60.26 61.21 2.24 0.11
EPQN 55.86 47.43 7.15 0.001
EPQL 39.94 36.55 3.26 0.52
BIS “Non-Planning” 27.18 31.45 5.83 0.003
BIS “Motor Impulsiveness” 18.16 21.00 7.74 0.001
BIS “Attentional Impulsiveness” 13.28 12.69 0.91 0.41
BIS Overall Score 58.62 65.14 5.26 0.006
  1. A covariate: LCUs HAM-17 Hamilton Rating Scale for Depression, BIS Barratt Impulsivity Scale, EPQ Eysenck Personality Questionaire psychoticism [P], extraversion [E], neuroticism [N] and lie (L) scale