The affective commitment of nurses at the West Jakarta Military Hospital is not yet fully optimal, characterized by a tendency to leave their jobs, a rigid work culture, uneven organizational support, and a lack of internalization of professional nursing values. This study aims to analyze the influence of hierarchical culture and perceived organizational support on affective commitment, with nursing professional values serving as an intervening variable. A quantitative analytical approach with a cross-sectional design was employed. The study sample consisted of 121 nurses from the West Jakarta Military Hospital, selected using random sampling. Data were collected via a four-point Likert scale questionnaire and analyzed using Structural Equation Modeling–Partial Least Squares (SEM-PLS) with SmartPLS version 4. The results indicate that hierarchical culture and perceived organizational support influence nursing professional values. Hierarchical culture, perceived organizational support, and nursing professional values each influence affective commitment. Furthermore, nursing professional values were found to partially mediate the influence of hierarchical culture and perceived organizational support on affective commitment. The hospital needs to strengthen coordination systems and work stability, implement fair and transparent task allocation, and involve nurses in advocacy, policy formulation, and service quality improvement activities.
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