Modelling the effect of limited or vulnerable resources on the use of computerised hospital information systems (CHISs) in South Africa.

A conceptual model of computerised hospital information system (CHIS) use has been developed, based on the results of case studies in four South African regional (level 2) hospitals, interviews with local experts, and related work on modelling and evaluation of health information systems. In addition to factors within hospitals, factors which reflect the decisionmaking and resource allocation processes at provincial level have also been included in the model. The applicability of the model is demonstrated through an analysis of the effects of limited or vulnerable resources on CHIS implementation and use at hospital level. Some potential approaches to overcoming these effects are suggested.