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Common and differential risk factors behind suicidal behavior in patients with impulsivity-related disorders: the case of bulimic spectrum eating disorders and gambling disorder

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Background and aims: Mental disorders with high levels of impulsivity such as bulimic spectrum eating disorders (BSED) and gambling disorder (GD) are associated with high risk of suicidal behavior. The aim of the present study was to identify the common and differential vulnerability factors behind suicide attempts in a sample of patients with BSED compared to patients with GD. Methods: A total of 6,077 adults who sought treatment and met criteria either for BSED (n 5 2,391) or GD (n 5 3,686) were assessed at a specialized hospital unit. Personality traits, psychopathological symptomatology, lifetime history of suicide attempts and socio-demographic variables were evaluated. Results: The prevalence of suicide attempts was higher for BSED patients (26.2%) compared to GD patients (7.1%) being anorexia nervosa (Binge/Purge type) and bulimia nervosa the most affected subtypes. In the predictive model, the transdiagnostic vulnerability factors with the highest contribution to the risk of suicidal behavior both in BSED and GD were unemployment, early age of onset of the disorder, worse psychopathological state, and self-transcendence personality trait. However, specific risk factors for suicidal acts were identified in each disorder: longer duration of the disorder, lower education levels and reward dependence were exclusively associated with BSED while female gender, older age, and higher harm avoidance were associated with GD. Discussion: Patients with GD and BSED share certain vulnerability factors although certain factors are exclusive to each disorder. Conclusions: Interventions need to pay special attention to both common and specific vulnerability factors to mitigate the risk of suicidal acts in these disorders.

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Journal of Behavioral Addictions, 2022, vol. 11, num. 4, p. 963-978

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cc-by-nc (c) Valenciano Mendoza, Eduardo et al., 2022

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Articles publicats en revistes (Ciències Clíniques)

# metadata.dc.title[].value
Common and differential risk factors behind suicidal behavior in patients with impulsivity-related disorders: the case of bulimic spectrum eating disorders and gambling disorder