Evaluation of the unified model of information systems continuance (UMISC) in two hospital environments

•The Unified Model of Information Systems Continuance (UMISC) is an integrated information systems post-adoption evaluation model.•In late adoption phases of a clinical information system (CIS) deployment, a continuance intention dimension should be integrated in the evaluation model.•UMISC can be used as a comparison and explanatory model of CIS use, satisfaction and continuance intention .•Clinical information systems quality remains the best determinant of user satisfaction in late and very late CIS post-adoption phases.•Disappearance of the relationship between CIS use and continuance intention could be an indicator of CIS maturity.