Constructor	Items	Source
Level of experience	Low (I do not use a computer or other electronic devices) Medium ( I use basic applications i.e., MS-Office, e-mail or web browsing, online social networks). High ( I deal with hardware maintenance and use specialist software such as databases and networking programs).	(43)
Effort expectancy (EE)	EE1: digital healthcare platforms are easy to use	(44), (8)
	EE2: Interaction with digital healthcare platforms is clear	(44), (45)
	EE3: Learning how to use digital healthcare platforms is easy for me.	(8)
Performance Expectancy (PE)	PE1: The digital healthcare platforms help me to monitor my health.	(16)
	PE2: Using digital healthcare platforms support critical aspects of my health.	(16)
	PE3: Using digital healthcare platforms will enhance my effectiveness in managing my health.	(8)
Social Influence	SI2: I have learned about the importance of these platforms from media such as TV.	(45)
	SI3: People who are important to me think that I should use digital healthcare platforms.	(45)
	SI4: People who influence my behavior think that I should use digital healthcare platforms.	(15)
Facilitating Conditions	FC1. I have the resources necessary to use digital healthcare platforms.	(15)
	FC2. I have the knowledge necessary to use digital healthcare platforms.	(8)
	FC3: I would be able to use the digital healthcare platforms at any time, from anywhere.	(20)
Information Quality	IQ1: The information generated by the digital healthcare platforms is correct	(20)
	IQ3: The digital healthcare platforms generate information in a timely manner.	(46)
Trust	TR1: During COVID 19 pandemic, I believe that digital healthcare platforms are trustworthy.	(20)
	TR2: During COVID 19 pandemic, I trust the way digital healthcare platforms deal with my personal information.	(20)
	TR3: I trust the information output of the digital healthcare platforms.	(45)
Behavioral intention	BI1. I intend to use digital healthcare platforms.	(45)
	BI2. I plan to continue to use digital healthcare platforms frequently.	(45)
	BI3. I intend to use digital healthcare platforms in the next months.	(45)