“…Several relevant research results prove that competence has a significant effect on service quality (Osman, Ibrahim & Diab, 2019;Faraji et al, 2019), self-efficacy has a significant effect on service quality (Park & Choi, 2020;Reichardt et al, 2020;Lee & Ko, 2020). Furthermore, work engagement has a significant effect on service quality (Mahboubi et al, 2017;Wake & Green, 2018;Hulsoft, Demerouti & Le Blanc, 2020), so it can be assumed that the research hypothesis: H4 : Simultaneously, competence, self-efficacy, and work engagement affect the quality of service for health workers in inpatient installations.…”