Int J Med Inform - Do hospital physicians' attitudes change during PACS implementation? A cross-sectional acceptance study.

Tópicos

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Resumo

RPOSE: The purpose of this study is to gain a better insight into the reasons why hospital physicians accept and use a Picture Archiving and Communication System (PACS). Two research questions are put forward, pertaining to (1) factors that contribute to physicians' acceptance of PACS, and (2) whether these factors change as physicians gain experience in using PACS.METHODS: Questionnaires were administered at three moments in time during the PACS implementation process in a private hospital: just before its introduction (T1), four months later (T2), and about fifteen months after the introduction of PACS (T3). The Unified Theory of Acceptance and Use of Technology was chosen as the theoretical framework for this study. Hence, the following scales were measured: performance expectancy, effort expectancy, social influence, facilitating conditions, behavioral intention, and self-reported frequency of use.RESULTS: Forty-six usable responses were obtained at T1, 52 at T2 and 61 at T3. Three variables directly influenced PACS acceptance (measured as behavioral intention and use of PACS): effort expectancy, performance expectancy, and social influence; and their influence evolved over time. Effort expectancy was of particular importance at T1, whereas performance expectancy influenced acceptance at T2 and T3; social influence was the only consistent predictor of PACS acceptance at all times. Variance explained in behavioral intention ranged from .26 at T1 to .58 at T3.CONCLUSIONS: In this setting, the main motivation for physicians to start using PACS is effort expectancy, whereas performance expectancy only becomes important after the physicians started using PACS. It is also very important that physicians perceive that their social environment encourages the use of PACS.

Resumo Limpo

rpose purpos studi gain better insight reason hospit physician accept use pictur archiv communic system pac two research question put forward pertain factor contribut physician accept pac whether factor chang physician gain experi use pacsmethod questionnair administ three moment time pac implement process privat hospit just introduct t four month later t fifteen month introduct pac t unifi theori accept use technolog chosen theoret framework studi henc follow scale measur perform expect effort expect social influenc facilit condit behavior intent selfreport frequenc useresult fortysix usabl respons obtain t t t three variabl direct influenc pac accept measur behavior intent use pac effort expect perform expect social influenc influenc evolv time effort expect particular import t wherea perform expect influenc accept t t social influenc consist predictor pac accept time varianc explain behavior intent rang t tconclus set main motiv physician start use pac effort expect wherea perform expect becom import physician start use pac also import physician perceiv social environ encourag use pac

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