The Relationship between Childhood Maltreatment and Externalizing Spectrum Disorders in Substance Users: The Mediating Role of Experiential Avoidance

Objective:The aim of this study was to examine the mediating role of experiential avoidance in the relationship between childhood maltreatment and externalizing spectrum disorders in substance users.Method: This research was a descriptive-correlational study of the structural equation modeling type.The statistical population consisted of all substance users undergoing addiction treatment centers in Sanandaj city.A sample of 333 individuals was selected using the convenience sampling method.The research tools included the child abuse self-report scale, the externalizing spectrum inventory, and the acceptance and action questionnaire-II.The structural equation model was used for data analysis with AMOS-24 software.Results: The results indicated that the model fit well.Childhood maltreatment had a direct and significant impact on externalizing spectrum disorders, with experiential avoidance playing a significant mediating role in this relationship.Conclusion: Recognizing the critical period of childhood and the enduring effects of traumatic experiences, which can lead to externalizing spectrum disorders and the use of ineffective coping mechanisms like experiential avoidance, is crucial.The findings of this study can have practical implications by educating parents about their crucial role in preventing substance use problems.Therefore, emphasizing these factors is essential for addressing substance use issues effectively.