Association between depression and diabetes mellitus and the impact of their comorbidity on mortality: Evidence from a nationally representative study.

Journal: Journal of affective disorders

Volume: 354

Issue: 

Year of Publication: 

Affiliated Institutions:  Department of Psychiatry, National Clinical Research Center for Mental Disorders, National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha , Hunan, China. Department of Psychiatry, National Clinical Research Center for Mental Disorders, National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha , Hunan, China. Electronic address: jinghuangserena@csu.edu.cn.

Abstract summary 

Depression and diabetes mellitus (DM) are major chronic noncommunicable diseases that impair one's mental and physical well-being and impose substantial burdens on the health system. Depressed individuals have an increased risk of impaired blood glucose, weight gain and dyslipidemia which could induce poorer long-term survival.37,040 individuals from the National Health and Nutrition Examination Survey (NHANES) were included. Depressive symptoms were assessed by the Patient Health Questionnaire (PHQ-9) and classified by the total scores as no (0-4), mild (5-9), moderate (10-14), and severe (15-27). DM was determined based on self-reported medical history, clinical test results, and medication use. Logistic and Cox regression were the main statistical models. All analyses were based on weighted data from complex sampling.The prevalence of DM was higher in depressed than non-depressed individuals (21.26 % vs. 13.75 %). The adjusted odds ratio (OR) (95 % CI) of comorbid DM increased with depression severity, from 1.00 (reference) for no depression, to 1.22 (1.09,1.36) for mild, 1.62 (1.37,1.92) for moderate, and 1.52(1.28,1.82) for severe depression. Comorbidity of DM and depression significantly associated with a higher risk of all-cause mortality, with a hazard ratio (HR) (95 % CI) = 2.09 (1.64,2.66).Dynamic demographic and metabolic data were not available.Depression is associated with a higher risk of DM, which may be related to biological, socioeconomic, and medication-related factors. Comorbidity of the two worsens long-term survival. Therefore, blood glucose management and prevention of DM should be emphasized in depressed patients.

Authors & Co-authors:  Cai Zhang Wu Huang

Study Outcome 

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Citations : 
Authors :  4
Identifiers
Doi : 10.1016/j.jad.2024.03.003
SSN : 1573-2517
Study Population
Male,Female
Mesh Terms
Other Terms
Comorbidity;Depression;Diabetes mellitus;NHANES;Survival
Study Design
Study Approach
Country of Study
Publication Country
Netherlands