Table 3.

Exploratory factor analysis results for survey 2.

Factors and items		Communality	Standard factor loading
Use of digital devices
	Q15. I can access the hospital’s website through an internet search.	0.757	0.911
	Q30. I can register as a member on the hospital website or app.	0.697	0.841
	Q11. I can delete health-related apps that I have used.	0.636	0.828
	Q17. In an emergency, I can find information about nearby hospitals using my smartphone.	0.762	0.788
	Q33. I can make online payments for medical bills through the hospital website or app.	0.745	0.774
	Q12. I can use the online “store” (eg, Play Store or App Store) on my device to find health-related apps.	0.724	0.774
	Q16. I can use appropriate words or search terms to find the health service information I want on the internet.	0.697	0.741
	Q8. I can use the desired services (payment, location search, etc.) through the hospital kiosk.	0.628	0.739
	Q9. I can book and confirm medical services through the hospital app.	0.716	0.696
	Q31. I can find my test results or prescription details on the hospital website or app.	0.633	0.590
Understanding of health information
	Q1. I can understand the instructions for medication provided by health-related apps.	0.775	0.903
	Q3. I can understand the emergency manual provided by health-related apps.	0.737	0.775
	Q5. I can understand the nutritional information of food provided by health-related apps.	0.629	0.767
	Q7. I can understand the information about health check-ups (such as target, date, price, fasting requirements, etc.) provided by health-related apps.	0.765	0.756
	Q4. I can understand the health check-up results provided by health-related apps.	0.594	0.636
Use and decision of health information
	Q24. I can judge whether the health information found on my smartphone is trustworthy.	0.790	0.836
	Q25. I can evaluate the pros and cons of various treatment methods provided by health-related apps.	0.719	0771
	Q29. I can determine if the health information found on the Internet is written for commercial purposes (advertisements).	0.607	0.681
	Q26. I can judge how to use the health information provided by health-related apps.	0.700	0.609
	Q27. I can determine the medical services I need.	0.611	0.570
Use intention
	Q18. I believe it is necessary to exchange health information online.	0.794	0.956
	Q21. I have a lot of interest in health-related apps.	0.812	0.885
	Q19. I am willing to use health-related apps to collect health information.	0.795	0.859
	Q22. I find the necessity and convenience of health management through health-related apps.	0.734	0.761
	Q23. Using health-related apps improves my ability to manage my health.	0.638	0.619