Abstract
These data were acquired to investigate the relationship between quality of services with satisfaction, psychological commitment and oral advertising among patients in selected clinical centers of Kermanshah University of Medical Sciences. A total of 420 patients referring to the health centers were agreed to participate, and 201 patients were selected finally using a simple random sampling. Data were collected by multiple questionnaires, including quality of service, satisfaction, psychological commitment and oral promotion. In order to check the reliability of questionnaires, Chronbach׳s alpha coefficients were calculated using 50 patients. Structural Equation Modeling was used to determine the relationship between quality of services with satisfaction, psychological commitment and oral advertising.