Predicting Treatment Response in Body Dysmorphic Disorder with Interpretable Machine Learning

• URL: http://arxiv.org/abs/2503.10741v1
• Date: Thu, 13 Mar 2025 17:39:10 GMT
• Title: Predicting Treatment Response in Body Dysmorphic Disorder with Interpretable Machine Learning
• Authors: Omar Costilla-Reyes, Morgan Talbot,
• Abstract summary: Body Dysmorphic Disorder (BDD) is a highly prevalent and frequently underdiagnosed condition.<n>We employ multiple machine learning approaches to predict treatment outcomes.<n>Treatment credibility emerged as the most potent predictor.
• Score: 0.4604003661048266
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Body Dysmorphic Disorder (BDD) is a highly prevalent and frequently underdiagnosed condition characterized by persistent, intrusive preoccupations with perceived defects in physical appearance. In this extended analysis, we employ multiple machine learning approaches to predict treatment outcomes -- specifically treatment response and remission -- with an emphasis on interpretability to ensure clinical relevance and utility. Across the various models investigated, treatment credibility emerged as the most potent predictor, surpassing traditional markers such as baseline symptom severity or comorbid conditions. Notably, while simpler models (e.g., logistic regression and support vector machines) achieved competitive predictive performance, decision tree analyses provided unique insights by revealing clinically interpretable threshold values in credibility scores. These thresholds can serve as practical guideposts for clinicians when tailoring interventions or allocating treatment resources. We further contextualize our findings within the broader literature on BDD, addressing technology-based therapeutics, digital interventions, and the psychosocial determinants of treatment engagement. An extensive array of references situates our results within current research on BDD prevalence, suicidality risks, and digital innovation. Our work underscores the potential of integrating rigorous statistical methodologies with transparent machine learning models. By systematically identifying modifiable predictors -- such as treatment credibility -- we propose a pathway toward more targeted, personalized, and ultimately efficacious interventions for individuals with BDD.

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