Investigating the Effect of two Methods of Dialectic Behavioral therapies and Metacognitive therapy on the Body Mass Index and Emotional Eating Behavior in Patients with type 2 Diabetes

Background: Diabetes is one of the chronic multifactorial metabolic diseases that in addition to affecting the clinical condition of the individual, incurs many costs to different communities around the world and also in Iran. This study aimed to investigate the effect of dialectical behavior therapy and metacognitive psychotherapy on the body mass index and emotional eating behavior in patients with type 2 diabetes. Methods: This study was an applied and controlled clinical trial one with a pre-test and post-test design with a control group and random assignment and quarterly follow-up. The participants were selected from among patients referring to Mashhad diabetes research center. The patients were randomly divided into two experimental (n=40) and control group (n=20). The experimental groups received weekly sessions for 2 months (8 sessions), while the control group did not receive any intervention. To collect the data, in addition to the demographic questionnaire, the standard Dutch eating behavior questionnaire was used to collect data. Data were analyzed and examined by SPSS 21 and statistical tests. Significant level was set at 0.05. Results: Based on the study, it was found that there was a significant difference between the mean of intervention and control groups (Pvalue<0.05). In other words, dialectical behavior therapy and metacognitive psychotherapy significantly reduced the body mass index and emotional eating behavior in patients with type 2 diabetes. Conclusions: According to the results, it seems that dialectical behavior therapy and metacognitive psychotherapy can be used as effective psychological interventions to reduce body mass index and emotional eating behavior in patients, which requires further investigation.