Table 8.

WTP^a-related factors for the examined eHealth in studies that reported WTP in monthly payment.

Factors			Cocosila et al [63]		Jacobs et al [65]		Rasche et al [66]		Somers et al (1) [34]		Somers et al (2) [34]		Tran et al [67]
Characteristics of the eHealth or eHealth technology
	Favorable features	—b		—		Positivec		—		—		Positived
Sociodemographic characteristics
	Gender (women)	Not significant		—		Not significant		Not significant		Negative		—
	Age	Negative		—		Not significant		Negative		Negative		—
	Education	—		—		Not significant		—		—		Positive
	Income	—		—		—		Positive		Not significant		—
	Health literacy	—		—		Not significant		—		—		—
Health conditions
	Perceived health status	—		—		—		Positive		Positive		—
	Chronic conditions	—		—		Not significant		Not significant		Not significant		—
	Health risk	—		—		Not significant		—		—		—
	Taking regular medication	—		—		—		Not significant		Not significant		Not significant
	Dosage of medication	—		Positive		—		—		—		—
Current health care services
	Level of the health system	—		—		—		—		—		Negative
Psychosocial characteristics
	Perceived autonomy support	—		Positive		—		—		—		—
Experience with information technology
	Having used eHealth	—		—		—		—		—		—
	Internet use	—		—		—		Positive and negativee		Not significant		—
	SMS text messaging use	Not significant		—		—		—		—		—
	Computer use	—		—		—		Negativef		Not significant		—
	Smartphone use	—		—		—		Not significant		Not significant		—
	Times without a mobile phone	—		—		—		—		—		Positive
	Mobile app use	—		—		—		Not significant		Not significant		—
	Amount spent on the phone, the internet, and additional features	—		—		—		Positive		Positive		Positive
	Amount spent on health apps	—		—		—		Positive		Positive		—
Attitudes
	Attitude toward intervention	—		—		Not significant		—		—		—
	Ready for technology innovation	—		—		Not significant		—		—		—
	Willingness to use	—		—		—		—		—		Positive

^aWTP: willingness to pay.

^bThe factor was not examined in the study.

^cFavorable features examined in the study included decisions regarding treatment, description of physical exercise to reduce the risk of falls, continuous workout programs, and making new social contacts.

^dFavorable features examined in the study included direct counseling with physicians and booking check-ups.

^eIndividuals who had access to the internet at home but never used it showed higher WTP than those who did not have internet access at home; individuals who had access to the internet at home and used it regularly showed lower WTP than those who did not have internet access at home.

^fIndividuals who owned a computer but rarely used it showed a lower WTP than those who did not own a computer.