Table 1.

Research constructs and their definitions

Construct	Definition
1. Perceived benefits	The extent to which using the OMC service helps achieve gains in obtaining healthcare objectives (Kim et al. 2009).
2. Perceived validity	The extent to which the physicians’ services are helpful and responsive to patients’ inquiries (Dai et al. 2011).
3. Patient centeredness	The extent to which the physicians’ services are respectful of patients’ preferences and needs (van Velsen et al. 2017).
4. Perceived risks	The extent to which using the OMC service exposes patients to negative consequences (Featherman and Pavlou 2003).
5. Privacy risk	The extent to which patients believe that using OMC leads to loss of control over personal information without their knowledge or permission (Featherman and Pavlou 2003).
6. Performance risk	The extent to which patients believe that OMC may not perform as it was designed and therefore failing to deliver the desired benefits (Featherman and Pavlou 2003).
7. Interpersonal trust	Patients’ subjective belief that an online physician will fulfill its commitments (Mayer et al. 1995).
8. Competence	The belief that the physician has skills, abilities, and characteristics that enable them to deliver the OMC services (Mayer et al. 1995).
9. Benevolence	The belief that the physician wants to do good to the patient, aside from an egocentric profit motive (Mayer et al. 1995).
10. Integrity	The belief that a physician adheres to a set of principles that the patient finds acceptable (Mayer et al. 1995).
11. Technological trust	Patients’ subjective belief that the technological infrastructures supporting OMC is dependable (Mcknight et al. 2011).
12. Functionality	The belief that the technological infrastructures supporting OMC have the capabilities, functions, or features to accomplish what needs to be done (Mcknight et al. 2011).
13. Reliability	The belief that technological infrastructures supporting OMC will consistently operate properly (Mcknight et al. 2011).
14. Helpfulness	The belief that the technological infrastructures supporting OMC will provide adequate and responsive help for users (Mcknight et al. 2011).
15. Trust in OMC	Patients’ subjective belief that the OMC platform (as an organization) will enforce fair rules, procedures, and outcomes (Bansal et al. 2016; van Velsen et al. 2017)
16. OMC service continuance intention	The extent to which the patient plans to continue the OMC services in the future.