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article · International Journal of Mental Health Systems

Comorbidity of depression and diabetes: an application of biopsychosocial model

201625 citationsOpen accessDebre Berhan University

In plain language

Type 2 diabetes is a demanding chronic illness frequently linked with depression, yet evidence exploring this connection within low-resource settings remains sparse. A cross-sectional clinical investigation involving 264 adults with type 2 diabetes at an Ethiopian hospital examined the biopsychosocial factors influencing depressive symptoms measured using the Patient Health Questionnaire. The average participant was 56 years old with an average depressive symptom score of 4.9. Statistical analysis revealed that being divorced, working as a housewife, living with diabetic nephropathy, experiencing negative life events in the previous six months, and having poor social support significantly raised depressive symptom scores. Conversely, the absence of fear regarding diabetes-related complications and death correlated with significantly lower depressive symptoms. These findings highlight that social, psychological, and clinical factors collectively shape mental health outcomes in diabetic individuals.

Key takeaways

  • Diabetic nephropathy is significantly linked to higher depressive symptom scores in adults with type 2 diabetes.
  • Social factors including being divorced, working as a housewife, and lacking social support increase vulnerability to depressive symptoms.
  • Recent negative life events within six months correlate with worse depressive symptoms among diabetic patients.
  • Patients without fear of diabetic complications and death report significantly lower depressive symptom scores.

Why it matters

Managing diabetes requires addressing mental health alongside physical symptoms. Identifying specific life stressors, social barriers, and physical complications that trigger depressive symptoms allows clinicians and healthcare planners to design holistic support systems. This approach can improve both emotional well-being and chronic disease management in clinical settings.

Commercialisation angle

The findings provide baseline clinical insights that could inform the design of mental health screening tools, patient triage protocols, or psychosocial support programmes tailored for diabetes clinics. Primary users would be hospital administrators, clinicians, and digital health developers building chronic disease management platforms. As an observational, single-centre cross-sectional study, the work represents early-stage clinical research that requires translation and testing in practical care workflows before direct commercial adoption.

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Abstract

BACKGROUND: Type 2 diabetes (T2D) is one of the most psychologically demanding chronic medical illness in adult. Comorbidity between diabetes and depression is quite common, but most studies were based on developed country sample. Limited data exists to document biopsychosocial predictors of depressive symptoms in Ethiopian patients. Therefore, the aim of the study was to describe the association of depressive symptoms and T2D and explore the potential underlying associated biopsychosocial risk factors. METHODS: Institution based cross-sectional study was conducted on 276 patient with T2D at diabetic clinic, Black Lion General Specialized Hospital in Ethiopia. Patients were selected using systematic random sampling technique. Depressive symptoms score, which constructed from a validated nine-item Patient Health Questionnaire (PHQ-9), was an outcome variable. Finally, significant associated factors were identified using multiple linear regression analysis with backward elimination procedure. Statistical Package for Social Science (SPSS) version 22.0 (IBM SPSS Corp.) was used to perform all analysis. RESULTS: Total of 264 patient data was analyzed with 95.7% response rate. Patients mean (SD) current age and age at diagnosis was 55.9 (10.9) and 43.9 (10.9) years, respectively. Patients waist circumference (mean ± SD) was 98.9 ± 11.1 cm. The average PHQ-9 score was 4.9 (SD 4.1) and fasting blood glucose was 166.4 (SD 73.2). Marital status (divorced), occupation (housewife), diabetic complication (nephropathy), negative life event in the last six months, and poor social support significantly associated with increased mean PHQ-9 score after adjustment for covariates. Whereas not fearing diabetic-related complication and death significantly lower mean PHQ-9 score. CONCLUSION: Biopsychosocial variables including marital status, negative life event in the last 6 months, occupation, diabetic complication, and poor social support significantly increase average depressive symptoms score. Evidence-based intervention focusing on these identified biopsychosocial factors are necessary to prevent the development of depressive symptoms.

Research topics

  • Diabetes Management and Education
  • Chronic Disease Management Strategies
  • Diabetes, Cardiovascular Risks, and Lipoproteins

Sustainable Development Goals

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DOI: 10.1186/s13033-016-0106-2

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