<![CDATA[This study examines the effect of Occupational Safety and Health (OSH) on employee work productivity with work discipline as a mediating variable at PT Tiga Permata Musi. A quantitative approach with an explanatory research design was employed in this study. The research population comprised all 130 employees of PT Tiga Permata Musi, and a total sampling technique was applied so that the entire population was used as respondents. Data were collected through the distribution of questionnaires using a five-point Likert scale and were analyzed using the Partial Least Squares–Structural Equation Modeling (PLS-SEM) method with the assistance of SmartPLS version 4 software. The results indicate that Occupational Safety and Health (OSH) has a positive and significant effect on employee work productivity. Work discipline was also found to have a positive and significant influence on work productivity. Furthermore, the mediation analysis demonstrates that work discipline plays an intervening role in the relationship between OSH and employee work productivity. The R-square value of the work productivity variable is 0.716, indicating that 71.6% of the variation in employee work productivity can be explained by OSH and work discipline, while the remaining 28.4% is influenced by other factors outside the research model. These findings emphasize that the optimal implementation of OSH, supported by strong work discipline, is a key factor in improving employee work productivity.]]>
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