The correlation between anger-anger expression style and aggression in individuals with substance use disorders in Eastern Türkiye

Objective The aim of this study is to determine the correlation between anger-anger expression style and aggression in individuals with substance use disorders in Eastern Türkiye.Methods This descriptive and correlational study was conducted with 150 individuals who were treated for substance use disorders in the Alcohol and Substance Addiction Center at located in Eastern Türkiye between August 2024 and June 2025. The data were collected using a Descriptive Characteristics Form, the State-Trait Anger Expression Inventory (STAXI), and the Buss-Perry Aggression Questionnaire (BPAQ).Results The STAXI total mean score of the individuals was 23.73 ± 5.17, while their BPAQ total mean score was 102.65 ± 14.45. A statistically positive moderate correlation was found between trait anger and aggression (r = 0.656; p < 0.001). On the other hand, a moderate negative correlation was found between anger management and aggression (r = −0.588; p < 0.001).Conclusion It was found that the individuals had moderate levels of anger and aggression, there was a positive correlation between anger and aggression, and a negative correlation between anger control and aggression. It may be recommended to integrate interventions to lower the level of anger and improve anger control skills into the care plan of individuals.