J Am Med Inform Assoc - User perspectives on the usability of a regional health information exchange.

Tópicos

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Resumo

JECTIVE: We assessed the usability of a health information exchange (HIE) in a densely populated metropolitan region. This grant-funded HIE had been deployed rapidly to address the imminent needs of the patient population and the need to draw wider participation from regional entities.DESIGN: We conducted a cross-sectional survey of individuals given access to the HIE at participating organizations and examined some of the usability and usage factors related to the technology acceptance model.MEASUREMENTS: We probed user perceptions using the Questionnaire for User Interaction Satisfaction, an author-generated Trust scale, and user characteristic questions (eg, age, weekly system usage time).RESULTS: Overall, users viewed the system favorably (ratings for all usability items were greater than neutral (one-sample Wilcoxon test, p<0.0014, Bonferroni-corrected for 35 tests). System usage was regressed on usability, trust, and demographic and user characteristic factors. Three usability factors were positively predictive of system usage: overall reactions (p<0 0.01), learning (p<0.05), and system functionality (p<0.01). Although trust is an important component in collaborative relationships, we did not find that user trust of other participating healthcare entities was significantly predictive of usage. An analysis of respondents' comments revealed ways to improve the HIE.CONCLUSION: We used a rapid deployment model to develop an HIE and found that perceptions of system usability were positive. We also found that system usage was predicted well by some aspects of usability. Results from this study suggest that a rapid development approach may serve as a viable model for developing usable HIEs serving communities with limited resources.

Resumo Limpo

jectiv assess usabl health inform exchang hie dens popul metropolitan region grantfund hie deploy rapid address immin need patient popul need draw wider particip region entitiesdesign conduct crosssect survey individu given access hie particip organ examin usabl usag factor relat technolog accept modelmeasur probe user percept use questionnair user interact satisfact authorgener trust scale user characterist question eg age week system usag timeresult overal user view system favor rate usabl item greater neutral onesampl wilcoxon test p bonferronicorrect test system usag regress usabl trust demograph user characterist factor three usabl factor posit predict system usag overal reaction p learn p system function p although trust import compon collabor relationship find user trust particip healthcar entiti signific predict usag analysi respond comment reveal way improv hieconclus use rapid deploy model develop hie found percept system usabl posit also found system usag predict well aspect usabl result studi suggest rapid develop approach may serv viabl model develop usabl hie serv communiti limit resourc

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