87 / Journal of Gorgan University of Medical Sciences 2019 Autumn / Vol 21 / No 3 Original Article Relation between metacognitive beliefs and psychological adjustment with improving quality of life in type 2 diabetic patients Anahita Khodabakhshi Koolaee (Ph.D), Assistant Professor, Department of Psychology and Education, Faculty of Humanities, Khatam University, Tehran, Iran. ORCID ID: 0000-0001-9466-3013 Mohammad Reza Falsafinejad (Ph.D), Associate Professor, Department of Measurement, Faculty of Psychology and Education, Allameh Tabataba’i University, Tehran, Iran. ORCID ID: 0000-0002-3227-102X Leila Ghorbani Sakachaei (M.Sc), M.Sc in Counseling, Department of Psychology and Education, Faculty of Humanities, Khatam University, Tehran, Iran. ORCID ID: 0000-0003-1406-3160 *Akram Sanagoo (Ph.D), Corresponding Author, Associate Professor, Ph.D in Nursing, Nursing Research Center, Golestan University of Medical Sciences, Gorgan, Iran. sanagoo@goums.ac.ir ORCID ID: 0000-0002-4769-4703 _______________________________________________________________________________________________ Abstract Background and Objective: There is a corolation between meta-cognitive beliefs and psychological adaptability. The subjects with adaptability beliefs have more soci-psyclogical adaptability. Diabetes has a negative impact on the quality of life. Therefore, this study was done to determine the relationship between meta-cognitive beliefs and adaptability with quality of life in type 2 of diabetic patients. Methods: This descriptive correlation study was done on 100 type 2 diabetic patients (60 males, 40 females) whom refered to association of diabetes center in Tehran, Iran during 2016. They were selected by network sampling method. Data collection was done by Wales and Cartwright Hatton (2004) Meta- cognitive beliefs, Bell's (1961) adjustment and ware and quality of life (1996) questionnaires. Results: There was a positive and significant relationship between metacognitive beliefs (r=0.756) with quality of life (P<0.05). In addition, there was a significant relationship between adaptability (r=-0.917) with quality of life (P<0.05). The results of sub-scales of metacognitive beliefs showed that the strongest predictor of adjustment and quality of life is the component of positive beliefs about worry, and then the components beliefs about superstition, punishment and responsibility associated with worry and beliefs about uncontrollability of worrying and about the dangers of failing to control worrying, respectively, had a good predictor role.the severity of diabetes significantly reduced the qulity of life (P<0.05). Conclusion: Metacognitive beliefs and compatibility can affect the quality of life in diabetic patients. Keywords: Quality of life, Metacognitive, Adjustment, Type 2 diabetes _______________________________________________________________________________________________ Received 13 Feb 2018 Revised 17 Jul 2018 Accepted 11 Aug 2018 Cite this article as: Anahita Khodabakhshi Koolaee, Mohammad Reza Falsafinejad, Leila Ghorbani Sakachaei, Akram Sanagoo. [Relation between metacognitive beliefs and psychological adjustment with improving quality of life in type 2 diabetic patients]. J Gorgan Univ Med Sci. 2019 Autumn; 21(3): 79-87. [Article in Persian]