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Personality characteristics, not clinical symptoms, are associated with anhedonia in a community sample: A preliminary investigation. | LitMetric

Personality characteristics, not clinical symptoms, are associated with anhedonia in a community sample: A preliminary investigation.

J Psychiatr Res

Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY, 10962, USA; Department of Psychiatry and Behavioral Sciences, University of Miami Leonard M. Miller School of Medicine, Coral Gables, FL, 33124, USA.

Published: December 2023

AI Article Synopsis

Article Abstract

Anhedonia is a salient transdiagnostic psychiatric symptom associated with increased illness severity and chronicity. Anhedonia is also present to varying degrees in non-clinical cohorts. Here, we sought to examine factors influencing expression of anhedonia. Participants (N = 335) were recruited through the Nathan Kline Institute-Rockland Sample, an initiative to deeply phenotype a large community sample across the lifespan. Utilizing a data-driven approach, we evaluated associations between anhedonia severity, indexed by Snaith-Hamilton Pleasure Scale (SHAPS), and 20 physical, developmental, and clinical measures, including Structured Clinical Interview for DSM-IV, Beck Depression Inventory, State-Trait Anxiety Inventory, NEO Five-Factor Inventory-3 (NEO-FFI-3), BMI, Hemoglobin A1C, and demography. Using a bootstrapped AIC-based backward selection algorithm, seven variables were retained in the final model: NEO-FFI-3 agreeableness, extraversion, and openness to experience; BMI; sex; ethnicity; and race. Though median SHAPS scores were greater in participants with psychiatric diagnoses (18.5) than those without (17.0) (U = 12238.5, z = 2.473, p = 0.013), diagnosis and symptom measures were not retained as significant predictors in the final robust linear model. Participants scoring higher on agreeableness, extraversion, and openness to experience reported significantly lower anhedonia. These results demonstrate personality as a mild-to-moderate but significant driver of differences in experiencing pleasure in a community sample.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11334051PMC
http://dx.doi.org/10.1016/j.jpsychires.2023.10.044DOI Listing

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