An adaptation of the theory of interpersonal behaviour to the study of telemedicine adoption by physicians
Introduction
Over the past years, the adoption of information and communication technologies (ICT) in the health care sector has been the focus of many studies. Telemedicine, defined as the use of information technologies to exchange health information and provide health care services across geographical, time, social, and cultural barriers [1], has the potential to increase quality and access to health care and to lower health expenditures. This technology is considered as a major innovation at the technological, social, and cultural levels. Thus, the introduction of telemedicine as a tool to support the delivery of health care induces numerous changes for professionals, institutions, and for the health care system as a whole that must be accounted for during the implementation process [2]. Telemedicine is expected to impact all levels of health care organisations.
Physicians represent one of the principal groups of telemedicine users and their acceptance of this technology constitutes one of the prerequisites to the emergence and sustainability of telemedicine networks [2]. However, the decision of physicians to adopt a new technology such as telemedicine can be challenged by their relatively low computer literacy, the possible alteration of their traditional routines, and their high professional autonomy. Many studies have investigated physicians' acceptance of various telemedicine applications over the last 10 years [3]. These studies were of exploratory nature and were often limited to the measure of attitudes and perceived barriers. Furthermore, most of these studies were based on small samples and did not use explicit theoretical foundation to test their hypotheses [3].
Section snippets
Theoretical background
Among the studies of telemedicine adoption that were based on a theoretical framework, most employed the Theory of Planned Behaviour (TPB) [4] or the Technology Acceptance Model (TAM) [5]. The validity of the TPB was demonstrated in a study of telemedicine adoption by physicians [6]. This study reported that attitude was the principal determinant of physicians' intention to use telemedicine, while perceived behavioural control had also a lesser but significant effect on intention. However,
Conceptual model and research hypotheses
Among the psychosocial theories developed to understand the adoption of behaviours, Triandis' Theory of Interpersonal Behaviour [10] encompasses many of the behavioural determinants found in other models such as the TPB and the TAM. However, the TIB has a wider scope in that sense that this model also considers cultural, social, and moral factors that are not accounted for in other theories [11].
According to Triandis [10], behaviour is determined by three dimensions: intention, facilitating
Instrument development and validation
As recommended by Davidson et al. [17], an etic–emic approach, inspired from the field of anthropology, was used to develop research instruments according to the TIBs constructs. Firstly, a survey was realised among a convenience sample of physicians attending a conference on telehealth. An open-ended questionnaire, comprising 10 questions, was distributed to a total of 60 physicians. The questions dealt with: (a) physicians' perceived telemedicine pros and cons; (b) barriers and facilitating
Results
Descriptive statistics of the sample are presented in Table 1. The mean age of physicians in the sample was 43.9 years. More males than females participated in the study. Also, specialists accounted for 57% of the sample. These proportions are similar to the ‘College des médecins’ (College of Physicians of Quebec) data on Quebec physicians' profile. However, the practice location of physicians in the sample differed from the provincial average. A majority of respondents was practising in
Discussion
In this study, the TIB was adopted as a basis for examining the predictors of physicians' intention to use telemedicine in their practice. Specifically, normative factors—comprising social as well as personal norms—are the best predictors of intention. In addition, self identity has been found to have a suppression effect in the prediction of physicians' intention to use telemedicine. These findings have several implications, at the theoretical as well as the practical level. Each of these
Conclusion
The rapid advancements in information and communication technologies over the last years have spurred the development of various telemedicine experiments in Canada. However, the diffusion of this technology to the whole healthcare system remains a major challenge. As a professional group, physicians have an important influence on the integration of telemedicine applications in different clinical settings. In the past, models such as the TPB and the TAM have been applied with limited support to
Acknowledgements
The study presented in this paper was substantially supported by a grant from the Canadian Institutes of Health Research (Project No. 49452). The realisation of the research project was also made possible by a doctoral scholarship form the Quebec Fund for Researchers and Research Support (FCAR) to Marie-Pierre Gagnon.
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