This study aimed to examine the relationship between Job Demands and Workplace Well-Being among nurses at RSU Bina Kasih Medan based on the Job Demands–Resources (JD-R) Theory framework. This correlational quantitative study involved 121 nurses selected using a total sampling technique. Data were collected using validated and reliable Job Demands and Workplace Well-Being scales and analyzed using Pearson Product–Moment correlation analysis. The results revealed a very strong and statistically significant negative relationship between Job Demands and Workplace Well-Being (r = −.915, p < .001, 95% CI [−.94, −.88]). These findings indicate that higher levels of job demands are closely associated with lower levels of nurses’ workplace well-being. Furthermore, Job Demands explained 83.7% of the variance in Workplace Well-Being (r² = .837), indicating a substantial contribution of job demands to workplace well-being. These findings support the JD-R Theory, which posits that high job demands may deplete individuals’ psychological resources and reduce well-being when not adequately balanced by sufficient job resources. This study contributes empirical evidence to the literature on workplace well-being in the healthcare sector, particularly in the context of Indonesian nurses, and underscores the importance of effective workload management in enhancing well-being in hospital settings.
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