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Published on: May 10, 2022
Pathological gambling in eating disorders: prevalence and clinical implications
Susana Jiménez-Murcia1, Howard Steiger, Mimi Isräel
1Department of Psychiatry, University Hospital of Bellvitge-IDIBELL, Barcelona, 08907, Spain; Ciber Fisiopatología Obesidad y Nutrición (CIBERobn), Instituto Salud Carlos III, Barcelona, Spain; Clinical Sciences Department, School of Medicine, University of Barcelona, Spain.
Pathological gambling (PG) is more common in individuals with eating disorders (ED), particularly binge eating disorder. Male sex, higher BMI, and novelty seeking are key predictors of this comorbidity.
Area of Science:
- Psychiatry
- Clinical Psychology
- Behavioral Science
Background:
- Pathological gambling (PG) and eating disorders (ED) are distinct conditions that can co-occur.
- Understanding the prevalence and predictors of comorbid PG in ED patients is crucial for effective treatment.
Purpose of the Study:
- To determine the lifetime prevalence of PG in a sample of ED patients.
- To compare ED symptom severity, personality traits, and psychopathological profiles between patients with and without comorbid PG.
- To assess the role of gender in the presentation of comorbid PG.
Main Methods:
- A cohort of 1681 patients with ED (1576 female, 105 male) were assessed.
- Diagnosis was based on DSM-IV criteria.
- Standardized measures included the Symptom Checklist and the Temperament and Character Inventory-Revised.
Main Results:
- The lifetime prevalence of PG among ED patients was 1.49%.
- PG was more frequent in binge eating disorder (5.7%) and more prevalent in males (16%) than females (1.26%).
- Patients with comorbid ED and PG showed higher novelty seeking, impulsivity, and lower impulse control. Novelty seeking, male sex, and BMI predicted comorbid PG.
Conclusions:
- Novelty seeking, male sex, and higher BMI are significant predictors of lifetime PG in patients with specific ED subtypes, notably binge eating disorder.
- These findings highlight the importance of screening for PG in individuals diagnosed with ED, particularly those with specific personality traits and demographic factors.
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