The Persian Exercise Addiction Inventory—Adult and Youth Versions: Psychometric Properties Based on Rasch Analysis Among Iranians

Exercise addiction is a morbid-compulsive behavioral pattern characterized by loss of control over exercise and which results in major detrimental consequences the affected individual’s life. Although condition not formally recognized official psychiatric texts, can lead to clinical impairment everyday activities just like other more traditional addictions. This has led development many instruments assess addiction. One most widely used Addiction Inventory (EAI) been translated into number languages separate versions scale for adults adolescents (i.e., EAI-Y youth). However, there are currently no Persian versions. Therefore, present study EAI assessed its psychometric properties using Rasch analysis among both Iranian (n = 745, age range 19–30 years, 60.53% female) 562, 13–18 62.45% female). An online survey was collect data from September November 2021. Confirmatory factor analyses confirmed unidimensional structure EAIs good reliability Omega coefficient (.71 .72). Also, separation on item, scale, person-level established, along with supported measurement invariance, demonstrating that discriminate individuals high or low level independent their gender. Overall, demonstrated sound psychometrics screening adolescents.