J. Med. Internet Res. - Patient perceptions of a personal health record: a test of the diffusion of innovation model.

Tópicos

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Resumo

CKGROUND: Personal health records (PHRs) have emerged as an important tool with which patients can electronically communicate with their doctors and doctor's offices. However, there is a lack of theoretical and empirical research on how patients perceive the PHR and the differences in perceptions between users and non-users of the PHR.OBJECTIVE: To apply a theoretical model, the diffusion of innovation model, to the study of PHRs and conduct an exploratory empirical study on the applicability of the model to the study of perceptions of PHRs. A secondary objective was to assess whether perceptions of PHRs predict the perceived value of the PHR for communicating with the doctor's office.METHODS: We first developed a survey capturing perceptions of PHR use and other factors such as sociodemographic characteristics, access and use of technology, perceived innovativeness in the domain of information technology, and perceptions of privacy and security. We then conducted a cross-sectional survey (N = 1500). Patients were grouped into five groups of 300: PHR users (innovators, other users, and laggards), rejecters, and non-adopters. We applied univariate statistical analysis (Pearson chi-square and one-way ANOVA) to assess differences among groups and used multivariate statistical techniques (factor analysis and multiple regression analysis) to assess the presence of factors identified by the diffusion of innovation model and the predictors of our dependent variable (value of PHR for communicating with the doctor's office).RESULTS: Of the 1500 surveys, 760 surveys were returned for an overall response rate of 51%. Computer use among non-adopters (75%) was lower than that among PHR users (99%) and rejecters (92%) (P < .001). Non-adopters also reported a lower score on personal innovativeness in information technology (mean = 2.8) compared to 3.6 and 3.1, respectively, for users and rejecters (P < .001). Four factors identified by the diffusion of innovation model emerged in the factor analysis: ease of use, relative advantage, observability, and trialability. PHR users perceived greater ease of use and relative advantage of the PHR than rejecters and non-adopters (P < .001). Multiple regression analysis showed the following factors as significant positive predictors of the value of PHR for communicating with the doctor's office: relative advantage, ease of use, trialability, perceptions of privacy and security, age, and computer use.CONCLUSION: Our study found that the diffusion of innovation model fits the study of perceptions of the PHR and provides a suitable theoretical and empirical framework to identify the factors that distinguish PHR users from non-users. The ease of use and relative advantage offered by the PHR emerged as the most important domains among perceptions of PHR use and in predicting the value of the PHR. Efforts to improve uptake and use of PHRs should focus on strategies that enhance the ease of use of PHRs and that highlight the relative advantages of PHRs.

Resumo Limpo

ckground person health record phrs emerg import tool patient can electron communic doctor doctor offic howev lack theoret empir research patient perceiv phr differ percept user nonus phrobject appli theoret model diffus innov model studi phrs conduct exploratori empir studi applic model studi percept phrs secondari object assess whether percept phrs predict perceiv valu phr communic doctor officemethod first develop survey captur percept phr use factor sociodemograph characterist access use technolog perceiv innov domain inform technolog percept privaci secur conduct crosssect survey n patient group five group phr user innov user laggard reject nonadopt appli univari statist analysi pearson chisquar oneway anova assess differ among group use multivari statist techniqu factor analysi multipl regress analysi assess presenc factor identifi diffus innov model predictor depend variabl valu phr communic doctor officeresult survey survey return overal respons rate comput use among nonadopt lower among phr user reject p nonadopt also report lower score person innov inform technolog mean compar respect user reject p four factor identifi diffus innov model emerg factor analysi eas use relat advantag observ trialabl phr user perceiv greater eas use relat advantag phr reject nonadopt p multipl regress analysi show follow factor signific posit predictor valu phr communic doctor offic relat advantag eas use trialabl percept privaci secur age comput useconclus studi found diffus innov model fit studi percept phr provid suitabl theoret empir framework identifi factor distinguish phr user nonus eas use relat advantag offer phr emerg import domain among percept phr use predict valu phr effort improv uptak use phrs focus strategi enhanc eas use phrs highlight relat advantag phrs

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