Impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptoms

Interpersonal factors and depression are believed to be some of the main drivers of suicidal thoughts and behaviors, but other factors may be equally or more important. Drawing on psychodynamic (mentalization) theory, we propose that personality functioning, in particular an incoherent sense of sel...

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Main Authors: Kiran Boone, Kennedy M. Balzen, Carla Sharp
Format: Article
Language:English
Published: PAGEPress Publications 2025-02-01
Series:Research in Psychotherapy
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Online Access:https://www.researchinpsychotherapy.org/rpsy/article/view/814
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author Kiran Boone
Kennedy M. Balzen
Carla Sharp
author_facet Kiran Boone
Kennedy M. Balzen
Carla Sharp
author_sort Kiran Boone
collection DOAJ
description Interpersonal factors and depression are believed to be some of the main drivers of suicidal thoughts and behaviors, but other factors may be equally or more important. Drawing on psychodynamic (mentalization) theory, we propose that personality functioning, in particular an incoherent sense of self, may be an important driver of suicidal thoughts and behaviors over and above factors of interpersonal functioning and depression. To evaluate this, we examined associations between personality functioning and suicidal ideation and suicide attempt in young adults. Participants (N=153; Mage=20.93) were recruited from a college sample (N=90) and a clinical sample with borderline personality disorder (N=63). Personality functioning (self and interpersonal components) was measured with the Level of Personality Functioning Scale - Brief Form 2.0. Suicidal ideation was measured with the Personality Assessment Inventory. Suicide attempt history was assessed with the Columbia-Suicide Severity Rating Scale. Depression symptoms were measured with the Symptom Checklist 90. Regressions examined relationships between personality functioning, depression symptoms, and suicidal ideation or attempt while controlling for age and gender. Overall personality functioning was significantly associated with suicidal ideation (β=.584, p<.001) and suicide attempt (β=.384, p<.001). Overall personality functioning was a stronger predictor than depression symptoms, age, and gender when included in the same model predicting suicidal ideation or attempt. Both the self and interpersonal components of personality functioning were significantly associated with suicidal ideation and attempt, with larger effect sizes for self-functioning. Findings underscore the importance of considering personality functioning, especially self-functioning, in suicide risk assessment and treatment.
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spelling doaj-art-3c5d942b6fae494aa92924bd11486a6c2025-02-04T02:43:55ZengPAGEPress PublicationsResearch in Psychotherapy2499-75522239-80312025-02-0127310.4081/ripppo.2024.814Impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptomsKiran Boone0https://orcid.org/0000-0002-6115-9168Kennedy M. Balzen1Carla Sharp2Department of Psychology, University of Houston, TexasDepartment of Psychology, University of Houston, TexasDepartment of Psychology, University of Houston, Texas Interpersonal factors and depression are believed to be some of the main drivers of suicidal thoughts and behaviors, but other factors may be equally or more important. Drawing on psychodynamic (mentalization) theory, we propose that personality functioning, in particular an incoherent sense of self, may be an important driver of suicidal thoughts and behaviors over and above factors of interpersonal functioning and depression. To evaluate this, we examined associations between personality functioning and suicidal ideation and suicide attempt in young adults. Participants (N=153; Mage=20.93) were recruited from a college sample (N=90) and a clinical sample with borderline personality disorder (N=63). Personality functioning (self and interpersonal components) was measured with the Level of Personality Functioning Scale - Brief Form 2.0. Suicidal ideation was measured with the Personality Assessment Inventory. Suicide attempt history was assessed with the Columbia-Suicide Severity Rating Scale. Depression symptoms were measured with the Symptom Checklist 90. Regressions examined relationships between personality functioning, depression symptoms, and suicidal ideation or attempt while controlling for age and gender. Overall personality functioning was significantly associated with suicidal ideation (β=.584, p<.001) and suicide attempt (β=.384, p<.001). Overall personality functioning was a stronger predictor than depression symptoms, age, and gender when included in the same model predicting suicidal ideation or attempt. Both the self and interpersonal components of personality functioning were significantly associated with suicidal ideation and attempt, with larger effect sizes for self-functioning. Findings underscore the importance of considering personality functioning, especially self-functioning, in suicide risk assessment and treatment. https://www.researchinpsychotherapy.org/rpsy/article/view/814Suicidelevel of personality functioningborderline personality disorderidentity disturbancedepression
spellingShingle Kiran Boone
Kennedy M. Balzen
Carla Sharp
Impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptoms
Research in Psychotherapy
Suicide
level of personality functioning
borderline personality disorder
identity disturbance
depression
title Impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptoms
title_full Impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptoms
title_fullStr Impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptoms
title_full_unstemmed Impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptoms
title_short Impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptoms
title_sort impairment in personality functioning predicts young adult suicidal ideation and suicide attempt above and beyond depressive symptoms
topic Suicide
level of personality functioning
borderline personality disorder
identity disturbance
depression
url https://www.researchinpsychotherapy.org/rpsy/article/view/814
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AT carlasharp impairmentinpersonalityfunctioningpredictsyoungadultsuicidalideationandsuicideattemptaboveandbeyonddepressivesymptoms