J Korean Neuropsychiatr Assoc.  2018 Feb;57(1):86-95. 10.4306/jknpa.2018.57.1.86.

Comparative Study on Personality Assessment Inventory and MMPI-2 Profiles of Groups with High and Low Depression and Suicide Ideation in Psychiatry Patients and Discriminant Variables of Depression and Suicide Ideation

Affiliations
  • 1Department of Neuropsychiatry, Eulji University Hospital, Daejeon, Korea. hy6611@eulji.ac.kr

Abstract


OBJECTIVES
The purpose of this study was to compare psychological test profiles of psychiatric outpatients with high and low depression/suicide ideation and to identify predictor variables for depression/suicide ideation.
METHODS
Component scores of the Personality Assessment Inventory (PAI) and Minnesota Multiphasic Personality Inventory-2 (MMPI-2) were compared using t-tests. Discriminant analysis was conducted for predictor variables of depression/suicide ideation.
RESULTS
Regarding PAI profiles, somatic complaints (SOM), anxiety (ANX), anxiety-related disorder (ARD), depression (DEP), paranoia (PAR), borderline features (BOR), antisocial features (ANT), mania (MAN) drug problems (DRG) scores were significantly elevated in high depression and high suicide ideation groups. Concerning MMPI-2 profiles, the scores of hypochondriasis (Hs), depression (D), hysteria (Hy), psychopathic deviate (Pd), paranoia (Pa), psychasthenia (Pt), schizophrenia (Sc), social introversion (Si) were significantly elevated in these same groups. The PAI and MMPI-2 profile shapes were remarkably similar between high depression and high suicide ideation groups. Therefore, in terms of psychological profile, depression and suicidal ideation seemed to reflect the same construct. However, in discriminant analysis, significant predictors for depression were found to be Pt and D Sc from MMPI-2, while those for suicide ideation were found to be Pa and Sc, suggest subtle differences.
CONCLUSION
The superficial characteristics of depression and suicide ideation groups reflected by the psychological test profiles seemed similar, but the determining factors may differ. Thus, the psychological interventions for these two groups may have to follow different routes considering these subtle differences.

Keyword

Outpatients; Depression; Suicide; Personality Assessment Inventory; Minnesota Multiphasic Personality Inventory-2; Discriminant analysis
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