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. 2018 Jul:234:59-66.
doi: 10.1016/j.jad.2018.02.052. Epub 2018 Feb 17.

Association between major depressive episode and risk of type 2 diabetes: A large prospective cohort study in Chinese adults

Ruiwei Meng  1 , Na Liu  2 , Canqing Yu  3 , Xiongfei Pan  1 , Jun Lv  3 , Yu Guo  4 , Zheng Bian  4 , Ling Yang  5 , Yiping Chen  5 , Zhengming Chen  5 , An Pan  6 , Liming Li  7 ; China Kadoorie Biobank collaborative group
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Association between major depressive episode and risk of type 2 diabetes: A large prospective cohort study in Chinese adults

Ruiwei Meng et al. J Affect Disord. 2018 Jul.

Abstract

Objective: We aimed to prospectively evaluate the association between major depressive episode (MDE) and risk of type 2 diabetes in a Chinese population.

Methods: We used data from the China Kadoorie Biobank study, in which 461,213 participants free of diabetes, coronary heart disease, stroke, and cancer were followed from baseline (2004-2008) to December 31, 2013. A modified Chinese version of Composite International Diagnostic Interview Short-Form (CIDI-SF) was used to assess past year MDE. Participants who responded positive to depression screening questions but did not meet the diagnosis criteria were considered as having depressive symptoms only. Incident diabetes cases were identified through linkage with established regional disease registries and national health insurance databases. Cox proportional hazards regression model was used to calculate hazard ratio (HR) and 95% confidence interval (CI) for the association after adjusting for diabetes risk factors.

Results: We documented 8784 incident type 2 diabetes cases during a follow-up of 3291,908 person-years. We observed a higher incidence rate of type 2 diabetes in participants with MDE than those without, and the multivariable-adjusted HR was 1.31 (95% CI 1.04-1.66). Compared with participants without depressive symptoms, the HR (95% CI) was 1.19 (1.05-1.35) for participants with depressive symptoms only and 1.32 (1.05-1.68) for those with MDE.

Limitations: The prevelance of past year MDE based on CIDI-SF was low, which might result in a selection bias.

Conclusions: In our large prospective cohort study of Chinese adults, MDE was significantly and independently associated with an increased risk of type 2 diabetes.

Keywords: Chinese; Major depressive episode; Prospective cohort study; Type 2 diabetes.

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