Int J Med Inform - Understanding physicians' acceptance of the Medline system for practicing evidence-based medicine: a decomposed TPB model.

Tópicos

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Resumo

RPOSE: Evidence-based medicine (EBM) supports physicians in their improvement of clinical quality and enhances hospitals' improvement of patient safety. Many health care institutions implement information systems to support physicians practicing EBM. However, studies exploring the antecedent factors of physicians' usage intention of information systems facilitating EBM practice are rare. Hence this study proposed a research model based on the decomposed theory of the planned behavior model (decomposed TPB) to investigate the factors influencing physicians' acceptance of the Medline system.METHODS: A field survey was conducted in Taiwan to collect data from physicians with experience in using the Medline system. A valid sample of 224 physicians was collected for data analysis. Structural equation modeling using the partial least squares (PLS) method with bootstrap estimate was used to test the research model.RESULTS: The findings of this study show that a physician's usage intention is significantly influenced by three factors, i.e. attitude, the subjective norm, and perceived behavior control. Furthermore, these three factors can be predicted by perceived usefulness and perceived ease of use, interpersonal influence, personal innovativeness in IT and self-efficacy, respectively.CONCLUSIONS: The results of this study indicate that our research model provides an effective prediction of the intention of physicians to use the Medline system and provides valuable implications for academics and practitioners.

Resumo Limpo

rpose evidencebas medicin ebm support physician improv clinic qualiti enhanc hospit improv patient safeti mani health care institut implement inform system support physician practic ebm howev studi explor anteced factor physician usag intent inform system facilit ebm practic rare henc studi propos research model base decompos theori plan behavior model decompos tpb investig factor influenc physician accept medlin systemmethod field survey conduct taiwan collect data physician experi use medlin system valid sampl physician collect data analysi structur equat model use partial least squar pls method bootstrap estim use test research modelresult find studi show physician usag intent signific influenc three factor ie attitud subject norm perceiv behavior control furthermor three factor can predict perceiv use perceiv eas use interperson influenc person innov selfefficaci respectivelyconclus result studi indic research model provid effect predict intent physician use medlin system provid valuabl implic academ practition

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