Concept (construct) Source Number of indicators
Technological readiness [35] 4 indicators
Fear (mistrust) Own construction 7 indicators
COVID-19 anxiety Own construction 1 indicator
Individual benefits Own construction 7 indicators
Intention to use [9] 1 indicator
Usage of e-health - Dummy variable
Willingness to try Own construction 1 indicator
Social benefits Own construction 3 indicators
Positive attitude [49] 7 indicators
Satisfaction Own construction 1 indicator