J. Med. Internet Res. - Development of a health information technology acceptance model using consumers' health behavior intention.

Tópicos

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Resumo

CKGROUND: For effective health promotion using health information technology (HIT), it is mandatory that health consumers have the behavioral intention to measure, store, and manage their own health data. Understanding health consumers' intention and behavior is needed to develop and implement effective and efficient strategies.OBJECTIVE: To develop and verify the extended Technology Acceptance Model (TAM) in health care by describing health consumers' behavioral intention of using HIT.METHODS: This study used a cross-sectional descriptive correlational design. We extended TAM by adding more antecedents and mediating variables to enhance the model's explanatory power and to make it more applicable to health consumers' behavioral intention. Additional antecedents and mediating variables were added to the hypothetical model, based on their theoretical relevance, from the Health Belief Model and theory of planned behavior, along with the TAM. We undertook structural equation analysis to examine the specific nature of the relationship involved in understanding consumers' use of HIT. Study participants were 728 members recruited from three Internet health portals in Korea. Data were collected by a Web-based survey using a structured self-administered questionnaire.RESULTS: The overall fitness indices for the model developed in this study indicated an acceptable fit of the model. All path coefficients were statistically significant. This study showed that perceived threat, perceived usefulness, and perceived ease of use significantly affected health consumers' attitude and behavioral intention. Health consumers' health status, health belief and concerns, subjective norm, HIT characteristics, and HIT self-efficacy had a strong indirect impact on attitude and behavioral intention through the mediators of perceived threat, perceived usefulness, and perceived ease of use.CONCLUSIONS: An extended TAM in the HIT arena was found to be valid to describe health consumers' behavioral intention. We categorized the concepts in the extended TAM into 3 domains: health zone, information zone, and technology zone.

Resumo Limpo

ckground effect health promot use health inform technolog hit mandatori health consum behavior intent measur store manag health data understand health consum intent behavior need develop implement effect effici strategiesobject develop verifi extend technolog accept model tam health care describ health consum behavior intent use hitmethod studi use crosssect descript correl design extend tam ad anteced mediat variabl enhanc model explanatori power make applic health consum behavior intent addit anteced mediat variabl ad hypothet model base theoret relev health belief model theori plan behavior along tam undertook structur equat analysi examin specif natur relationship involv understand consum use hit studi particip member recruit three internet health portal korea data collect webbas survey use structur selfadminist questionnaireresult overal fit indic model develop studi indic accept fit model path coeffici statist signific studi show perceiv threat perceiv use perceiv eas use signific affect health consum attitud behavior intent health consum health status health belief concern subject norm hit characterist hit selfefficaci strong indirect impact attitud behavior intent mediat perceiv threat perceiv use perceiv eas useconclus extend tam hit arena found valid describ health consum behavior intent categor concept extend tam domain health zone inform zone technolog zone

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