NETWORK ANALYSIS OF MENTAL HEALTH AND QUALITY OF LIFE AMONG MALE CANCER PATIENTS: A MULTICENTER CROSS-SECTIONAL STUDY

Bạch Bảo Ngọc Võ , Hồng Ngọc Lê, Phương Thảo Phạm, Thiện Minh Nguyễn, Tấn Thành Nguyễn, Xuân Loan Kim

Main Article Content

Abstract

Introduction: Quality of life (QoL) in cancer patients is a key clinical outcome that is substantially influenced by mental health problems. However, the interrelationships between mental health and specific domains of QoL, as revealed through network analysis, remain insufficiently understood. Objective: To identify key variables based on network centrality indices and to examine the correlational links between mental health and quality of life among male cancer patients. Methods: A multicentre cross‐sectional study was conducted from January to May 2025 among 155 male cancer patients recruited at the University Medical Center and Oncology Hospital, Ho Chi Minh City. Measurement tools included the Generalized Anxiety Disorder Scale (GAD‐7), the Patient Health Questionnaire (PHQ‐9) for depression, the Distress Thermometer (DT), and the EORTC QLQ‐C30 for quality of life. Network analysis was performed in R using a Gaussian graphical model estimated via the graphical lasso and extended Bayesian information criterion (EBIC). Results: Depression was identified as the most central node in the network, followed by fatigue. Depression showed positive associations with insomnia, poor appetite, and pain. A symptom cluster comprising fatigue, dyspnea, and pain demonstrated strong positive intercorrelations. Both fatigue and depression were negatively correlated with global health status. Conclusion: Integrating mental health support with symptom management is essential to improve the quality of life among male cancer patients.

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References

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