Decision support system usage in a hospital: A survey of self- reported use and benefits by nursing staff Stian Bøe, Kristin Standal, Berit Sundstrøm Department of Health Science and Technology, Aalborg University, Aalborg, Denmark Introduction As a part of the Master degree in information technology at The University of Aalborg, we have made a study concerning the implementation of a decision support system called Practical Procedures for the nursing Service (PPS) at Akershus University Hospital (Ahus) in Norway. Our main focus has been on the information- and system quality of the system PPS, and how these factors affects use and usage. This is based on DeLone