Influence of self-efficacy and self-directed learning competence on core competence among nurses specializing in infectious diseases: a cross-sectional study

Objective This study aimed to assess the current level of core competence among nurses working in infectious disease settings and to examine the influence of self-efficacy and self-directed learning competence on core competence. Methods A total of 392 nurses specializing in infectious diseases were selected through convenience sampling. Data were collected using four instruments: a General Information Questionnaire, the Core Competence Scale for Infectious Disease Specialist Nurses, the Self-directed Learning Competence Scale for Nurses, and the General Self-efficacy Scale. Results The mean core competence score among participants was 133.72 ± 24.06. The mean score for self-directed learning competence was 134.72 ± 25.35, and the mean score for self-efficacy was 30.17 ± 6.78. Core competence scores were positively correlated with both self-directed learning competence and self-efficacy. Multiple regression analysis identified hospital grade, job position, years of work experience, teaching experience, self-directed learning competence, and self-efficacy as significant factors associated with core competence ( p < 0.05). Conclusion Nurses engaged in infectious disease care demonstrated above-average core competence. Self-directed learning competence and self-efficacy were identified as primary influencing factors. Interventions aimed at enhancing these competencies may support nursing managers in strengthening workforce capacity in infectious disease care.