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PREDICT
IMH Publication

Pathological personality explains emotion dysregulation between child maltreatment and depression

16 April 2024

Maladaptive personality traits and emotion dysregulation link childhood maltreatment to severe depression. Read this study to understand how emotional abuse shapes these pathways in patients with mood disorders.

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Pathological personality explains individual differences in global emotion dysregulation within the pathway between child maltreatment and severe depressive symptoms

Jianlin Liu, Rachel Hsiao Shen Tan, Sherilyn Shi Hui Chang, Wen Lin Teh, Shazana Shahwan, Yu Wei Lee, Nisha Chandwani, Christopher Yi Wen Chan, Phern Chern Tor, Mythily Subramaniam

Objective: Global emotion dysregulation mediates the relationship between child maltreatment and severe depressive symptoms; however, there is a lack of research on maladaptive personality traits and their contribution to individual differences in global emotion dysregulation within this conceptual model. The present study tested a preliminary serial mediation model where maladaptive personality traits and global emotion dysregulation mediate the relationship between child maltreatment and severe depressive symptoms.

Method: A total of 200 patients with mood disorders (Mage = 36.5 years; 54% females) were assessed for maladaptive personality traits (Personality Inventory for Diagnostic and Statistical Manual of Mental Disorders [5th ed.] Brief Form), global emotion dysregulation (Difficulties in Emotion Regulation Scale-Short), childhood trauma (Childhood Trauma Questionnaire), and depressive symptoms (Patient Health Questionnaire-9).

Results: Ordinary least squares regression and partial least squares-structural equation modeling revealed a consistent and significant indirect effect of child maltreatment on severe depressive symptoms through negative affectivity, detachment, psychoticism, and global emotion dysregulation. Among child maltreatment types, only emotional abuse had a significant indirect effect on severe depressive symptoms through maladaptive personality traits and global emotion dysregulation, b = 0.50, SE = 0.09, 95% confidence intervals [0.326, 0.694] after controlling for age, gender, and remaining types of child maltreatment.

Conclusions: Findings support the view that maladaptive personality traits shed important insights on individual differences in global emotion dysregulation, and this information could aid clinical formulation and treatment of childhood adversity-related psychopathology. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

doi: 10.1037/tra0001581

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