The present research aimed to determine effectiveness of stress management on glycemic control and change of some of mental health indicators (depression, anxiety, stress, and quality of life) among patients with type 2 diabetes. The present research is an applied research in sake of aim and a quasi-experimental research with pre-test and post-test in sake of data collection. The research sample consists of 19 patients with type 2 diabetes selected via convenient sampling method, and considered

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... in two experimental (10) and control (9) groups in random. Then, the experimental group attended in training course of stress management which was held via behavioral-cognitive method during 12 sessions in 2 hours, that no intervention was applied on control group. The pre-test and post-test tools for both groups include hemoglobin A1c (HbA1c) blood test, the questionnaires of Depression, Anxiety and Stress Scale(DASS) and the short form of the World Health Organization Quality of Life (WHOQOL). The data were analyzed via covariance analysis test, that the analysis indicated that there was a significant difference between training stress management via behavioral-cognitive method and hemoglobin A1c (HbA1c) blood and depression, stress and quality of life at level(P <0.05), yet there was no significant relationship between hemoglobin A1c (HbA1c) blood and anxiety. Hence, it can deduce that training stress management affects changing some mental health indicators and even Glycemic Control among patients with type 2 diabetes.