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KMID : 0605720180240010021
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Journal of the Korean Society of Biological Therapies in Psychiatry
2018 Volume.24 No. 1 p.21 ~ p.30
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The Relationship between Intertemporal Choice and Blood Glucose Control in Patients with Type 2 Diabetes
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Lee Hyun-Ju
Kim Mi-Kyung
Kim Yang-Tae
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Abstract
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Objectives：The objectives of this study were to investigate intertemporal choice in patients with type 2 diabetes and whether blood glucose control is related to intertemporal choice.
Methods：Ninety seven patients with diabetes(41 inpatients and 56 outpatients) were recruited. All patients were subjected to the following tests : DM Distress Scale(DDS), Beck Anxiety Inventory(BAI), the Center for Epidemiologic Studies Depression Scale(CES-D) and the Big Five Inventory-K-10(BFI-K-10). 73 of recruited patients performed the Delay Discounting Task(DDT).
Results：Compared to the outpatient group, the inpatient group showed higher delayed reward discounting rate in DDT. Outpatient group showed higher score in the agreeableness than inpatient group. And Inpatient group scored higher than outpatient group in the score of the BAI. The anxiety score and DDT were negatively correlated, and anxiety score and glycated hemoglobin(HbA1c) were positively correlated(r=0.265, p=0.026). In addition, anxiety scores were positively correlated with neuroticism(r=0.288, p=0.015), diabetes distress scores(r=0.311, p=0.008), depression scores(r=0.688, p=0.000) and negatively correlated with agreeableness scores(r=-0.390, p=0.001). Agreeableness showed a negative correlation(r=-0.254, p=0.031) with HbA1c and 180days’ indifferent points(r=0.311, p=0.008), respectively. Agreeableness was also significantly associated with diabetic stress(r=-0.253, p=0.033), anxiety(r=-0.390, p=0.001), depression(r=-0.512, p=0.000) and there was a positive correlation with conscientiousness(r=0.342, p=0.003).
Conclusion：In this study, we found that there is difference in intertemporal choice between inpatient and outpatient groups. In addition, it was confirmed that the difference of personality traits and negative emotions between the two groups was related to the selection of intertemporal choice and related to the control of blood glucose.
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KEYWORD
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Type 2 diabetes, Intertemporal choice, Personality trait
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