Indonesia's open-pit gold mining industry faces productivity challenges due to high levels of employee absenteeism, triggered by extreme working conditions such as long rotational shifts and high safety risks at mine sites. This study analyzes the effect of workload, work stress, and work-life balance on the absenteeism of PT Bumi Suksesindo employees with work fatigue as a mediating variable. Using a quantitative approach with path analysis on 311 respondents of mine operational employees, data was collected through a questionnaire and analyzed using SmartPLS. The results showed that workload and work stress had a significant positive effect on work fatigue and absenteeism, while work life balance had a negative effect. Work burnout was shown to partially mediate all three relationships, with the strongest pathways through physical and emotional indicators in mine shift environments. The implications of this study recommend integrated data-driven interventions: task rotation and ergonomization for workloads, conflict resolution training and psychosocial support for work stress, as well as shift flexibility and family programs for work-life balance, in order to break the mediation chain of fatigue towards absenteeism and improve BSI's operational productivity in a sustainable manner.
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