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Measuring patient trust in telemedicine services: Development of a survey instrument and its validation for an anticoagulation web-service

Measuring patient trust in telemedicine services: Development of a survey instrument and its validation for an anticoagulation web-service

International Journal of Medical Informatics 97: 52-58

For many eServices, end-user trust is a crucial prerequisite for use. For the telemedicine context however, knowledge about the coming about and measurement of end-user trust is scarce. To develop and validate the PAtient Trust Assessment Tool (PATAT): a survey instrument to quantitatively assess patient trust in a telemedicine service. Informed by focus groups, we developed a survey that includes measurement scales for the following factors: trust in the care organization, care professional, treatment, and technology, as well as a scale that assesses a holistic view on trust in the telemedicine service. The survey was completed by 795 patients that use a telemedicine application to manage their anticoagulation treatment. Data were analyzed by means of Partial Least Squares Structural Equation Modeling (PLS-SEM). The measurement model yielded good to excellent quality measures, after the removal of one item. The causal model resulted in high explained variance (R2=0.68). Trust in healthcare professionals and the treatment had a small effect on overall trust, while trust in the technology displayed a large effect. Trust in the care organization did not result in a significant effect on overall trust. The PATAT is a valid means to assess patient trust in a telemedicine service and can be used to benchmark such a service or to elicit redesign input.

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Accession: 058280172

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PMID: 27919395

DOI: 10.1016/j.ijmedinf.2016.09.009

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