Personality traits in adults with hoarding disorder

•Personality traits were examined in 72 veterans with hoarding disorder.•89% of the sample had an elevated score for at least one personality trait.•Interconnectedness with items was the strongest predictor of cluster a traits. Background: Prior research has demonstrated a link between compulsive ho...

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Bibliographic Details
Published in:Journal of affective disorders 2020-11, Vol.276, p.191-196
Main Authors: Dozier, Mary E., Davidson, Eliza J., Pittman, James O.E., Ayers, Catherine R.
Format: Article
Language:English
Subjects:
Adult
Anxiety Disorders
Attachment
Hoarding disorder
Hoarding Disorder - epidemiology
Humans
Personality
Personality disorder
Personality Disorders - epidemiology
Personality Inventory
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Summary:•Personality traits were examined in 72 veterans with hoarding disorder.•89% of the sample had an elevated score for at least one personality trait.•Interconnectedness with items was the strongest predictor of cluster a traits. Background: Prior research has demonstrated a link between compulsive hoarding symptoms and personality traits; however, no studies have investigated the link between hoarding and personality traits utilizing a sample of individuals diagnosed with hoarding disorder (HD) using formal diagnostic criteria. The aim of the current study was to evaluate the frequency and type of personality traits in adults diagnosed with HD and to explore the associations among hoarding severity and personality disorder traits within this sample. Methods: Seventy-two veterans enrolled in an ongoing treatment trial for HD completed a battery of self-report measures during their initial assessment. Linear regression analyses were used to determine the unique variance accounted for by hoarding severity in predicting scores on the personality disorder scales from the Millon Clinical Multiaxial Inventory-III (MCMI-III). Results: The majority of participants had an elevated score on at least one of the MCMI-III Personality scales. The most frequently elevated scores were for the Avoidant, Dependent, Depressive, and Schizoid scales. Hoarding severity was a significant predictor of personality traits in 10 out of 14 MCMI-III scales. Limitations: Given the exploratory nature of the investigation, we did not control for multiple comparisons or the presence of mood or anxiety disorders. Conclusions: The elevated prevalence of co-occurring personality pathology in adults with HD indicates the importance of considering underlying personality structure when developing individualized treatment plans.
ISSN:0165-0327
1573-2517
DOI:10.1016/j.jad.2020.07.033