J Am Med Inform Assoc - Development and validation of a survey instrument for assessing prescribers' perception of computerized drug-drug interaction alerts.

Tópicos

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Resumo

JECTIVE: To develop a theoretically informed and empirically validated survey instrument for assessing prescribers' perception of computerized drug-drug interaction (DDI) alerts.MATERIALS AND METHODS: The survey is grounded in the unified theory of acceptance and use of technology and an adapted accident causation model. Development of the instrument was also informed by a review of the extant literature on prescribers' attitude toward computerized medication safety alerts and common prescriber-provided reasons for overriding. To refine and validate the survey, we conducted a two-stage empirical validation study consisting of a pretest with a panel of domain experts followed by a field test among all eligible prescribers at our institution.RESULTS: The resulting survey instrument contains 28 questionnaire items assessing six theoretical dimensions: performance expectancy, effort expectancy, social influence, facilitating conditions, perceived fatigue, and perceived use behavior. Satisfactory results were obtained from the field validation; however, a few potential issues were also identified. We analyzed these issues accordingly and the results led to the final survey instrument as well as usage recommendations.DISCUSSION: High override rates of computerized medication safety alerts have been a prevalent problem. They are usually caused by, or manifested in, issues of poor end user acceptance. However, standardized research tools for assessing and understanding end users' perception are currently lacking, which inhibits knowledge accumulation and consequently forgoes improvement opportunities. The survey instrument presented in this paper may help fill this methodological gap.CONCLUSION: We developed and empirically validated a survey instrument that may be useful for future research on DDI alerts and other types of computerized medication safety alerts more generally.

Resumo Limpo

jectiv develop theoret inform empir valid survey instrument assess prescrib percept computer drugdrug interact ddi alertsmateri method survey ground unifi theori accept use technolog adapt accid causat model develop instrument also inform review extant literatur prescrib attitud toward computer medic safeti alert common prescriberprovid reason overrid refin valid survey conduct twostag empir valid studi consist pretest panel domain expert follow field test among elig prescrib institutionresult result survey instrument contain questionnair item assess six theoret dimens perform expect effort expect social influenc facilit condit perceiv fatigu perceiv use behavior satisfactori result obtain field valid howev potenti issu also identifi analyz issu accord result led final survey instrument well usag recommendationsdiscuss high overrid rate computer medic safeti alert preval problem usual caus manifest issu poor end user accept howev standard research tool assess understand end user percept current lack inhibit knowledg accumul consequ forgo improv opportun survey instrument present paper may help fill methodolog gapconclus develop empir valid survey instrument may use futur research ddi alert type computer medic safeti alert general

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