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Farnia F, Rahimian-Boogar I. Physical Health, Childhood Trauma and Suicide Risk: Psychosocial Stress and Interpersonal Conflicts as Mediators. Pract Clin Psychol 2026; 14 (4) :315-326
URL: http://jpcp.uswr.ac.ir/article-1-1104-fa.html

Objective: Suicide risk represents a critical form of self-harm with significant implications for both general and clinical populations. The present study aimed to investigate the structural relationships between physical health, childhood trauma, and suicide risk, with a particular focus on the mediating roles of psychosocial stress and interpersonal conflicts.
Methods: This cross-sectional descriptive study utilized structural equation modeling (SEM) to analyze the proposed relationships. We recruited 400 participants aged 18 to 50 years from Tehran and Alborz provinces, Iran, using convenience sampling. participants completed the childhood trauma questionnaire (CTQ), psychosocial stress questionnaire, interpersonal conflict questionnaire, physical health questionnaire, and suicide probability scale (SPS). data were analyzed using multiple regression and SEM via SPSS software, version 26 and AMOS software, version 24.
Results: The measurement model demonstrated an acceptable fit to the data (the chi-square to degrees of freedom [CMIN/df]=3.159, the comparative fit index [CFI]=0.920, the root mean square error of approximation [RMSEA]=0.079). The fit indices for the structural model were also satisfactory (CMIN/df=3.51, CFI=0.918, RMSEA=0.079). Physical health exhibited a significant negative association with suicide risk (β=-0.217, P=0.003), while childhood trauma showed a significant positive association (β=0.385, P<0.001). Bootstrap analyses confirmed that psychosocial stress and interpersonal conflicts significantly mediated the relationships between both physical health and childhood trauma and suicide risk (-0.067, 0.165, -0.032, 0.057; P<0.05).
Conclusion: These findings underscore the crucial roles of poor physical health and early-life adversity in conferring risk for suicide; effects that are significantly mediated by psychosocial stress and interpersonal difficulties. The results carry important implications for the development and implementation of targeted, multi-component interventions aimed at mitigating suicide risk.