Abstract
Objective The aims of the present study were to investigate the prevalence of depressive symptoms among type 2 diabetes mellitus (T2DM) patients in China and to explore how coping style influences the relationship between illness perception and depressive symptoms. Methods Nine hundred and thirty-nine T2DM patients were recruited from a grade 3 Class A hospital in Harbin, China, and asked to complete a demographic questionnaire as well as the Self-rating Depression Scale (SDS), Brief Illness Perception Questionnaire-Revised (IPQ-R), and Medical Coping Modes Questionnaire (MCMQ). Hierarchical linear regression analysis and the bootstrap method were preformed to examine if coping style influenced the relationship between illness perception and depression. Results The majority of patients (73.59%) exhibited depressive symptoms, including 37.27% with moderate and 6.71% with severe depressive symptoms. Depressive symptoms were more frequent in patients with complications (P < 0.05). A resignation coping style partially mediated the influence of illness perception on depressive symptoms. Conclusions Interventions to improve coping style may reduce the prevalence or severity of depressive symptoms among T2DM patients, potentially enhancing treatment adherence and clinical outcome.
Highlights
Diabetes is a chronic and progressive metabolic disease characterized by high blood sugar [1]
There is little research on how coping style influences the relationship between illness perception and depression among diabetes patients
The prevalence of depressive symptoms was higher in patients with complications than in patients without complications (P < 0:05)
Summary
Diabetes is a chronic and progressive metabolic disease characterized by high blood sugar [1]. The global prevalence of diabetes is rising annually, reaching 467 million in 2019 [2]. China alone had an estimated 116.4 million diabetes patients as of 2019, the largest such population in the world. The vast majority of diabetes mellitus cases (~90%) are classified as type 2 diabetes mellitus (T2DM). Diabetes can damage the kidneys, eyes, heart, and peripheral nerves, leading to progressive disability and premature death. In 2019, it is estimated that more than 4 million patients aged 20–79 years died from diabetes-related complications
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