Effectiveness of educational intervention on quality of life in adults with thalassemia major: A quasi-experimental study based on PRECEDE model.

Background And Aim: Due to the adverse effects of their disease, patients with thalassemia major face many problems such as a lack of proper growth, enlarged spleen and liver, bone disorders, especially the bones of the head and face. As a result of the long treatment process of this disease, other aspects of their life are also affected. The physical and mental problems in this population of patients will lead to frustration and lower social performance and quality of life.