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The aim of this paper is to offer a holistic and integrative approach to telemedicine adoption in an international context. A modified version of UTAUT2, specifically tailored to the telemedicine field, analyzes the factors that influence the usage intention of virtual doctor appointments from a patient's point of view. The research model furthermore integrates one of the core constructs of the Diffusion of Innovations Theory [1], namely relative advantage, and empirically projects the theoretical framework onto three countries that encounter themselves in different stages of the telemedicine adoption curve: Germany, Spain, and the United States of America.
A mixed-methods approach was used, and the hypothesis were tested applying structural equation modelling (AMOS 24). It was found that performance expectancy, hedonic motivation, habit, relative advantage and perceived security positively impact the usage intention of virtual doctor appointments, Additionally, it has been shown that age moderates the relationships between effort expectancy and hedonic motivation and usage intention, and gender moderates performance expectancy, hedonic motivation and habit.
In the last part of the study, the managerial implications are discussed alongside the limitations and future research lines.