This was an experimental single-blind randomized controlled trial (RCT) to determine comparative effectiveness of group therapy Beck cognitive interventions and motivational interviewing on reduction of overweight, glycemic and lipids control and quality of life in overweight and obese women with type 2 diabetes the effect of referring to Yazd Diabetes Research Center.
Forty patients who meet the inclusion criteria (having BMI≥25, aged 18 to 65 years, female gender, diabetes, HbA1C≥7, the minimum cycle level of education, the signing of moral consent to participate in research) and exclusion criteria (the risk of psychiatric disorders such as eating disorders , personality disorder, bipolar disorder, obsessive-compulsive disorder on interview and according to the criteria of DSM-V, under psychiatric treatment or psychotherapy, having a program of moderate exercise at least 20 minutes a day, three days a week regularly for weight loss in the past six months based on self-reported, weight loss diet under the supervision of specialists in the past six months based on self-reported, debilitating diseases, diabetic complications such as advanced retinopathy and nephropathy. Also mutilation, drugs affecting the metabolism or weight body examination by a general practitioner and individual reports) are selected and put into two groups randomly (each group consisted of 20 patients).
The intervention groups in addition their usual medication or diet therapy gets 8 sessions of group therapy cognitive intervention or motivational interviewing.
In each group, before and after intervention also, four months after intervention the ORWELL and quality of life questionnaires will complete and blood samples will be compared to those of the patients themselves, or to the other group.