This study of user competence and information system success takes place in the medical laboratory industry. Information system use is a primary measure of information system success. Use is often measured by frequency or voluntariness of use. Multidimensional use represents a more evolved, business relevant form of information system use. Individual difference is an external variable affecting beliefs that can influence how well information systems are used. In this study, individual difference is measured in terms of competency indicators, gender, education level, current job title, years...