Table 2.

Technological factors and their occurrence, with references.

Factor and subthemes		References
Technical issues
	Technical difficulties (n=38)	[2,9,37,41-44,51,54-56,61,74,75,82,83,86,90-92,101,109,115,128,150,156,162,163, 165,172,177,181,182,186,188,189,194,197]
	Technical support (n=27)	[2,9,10,44,49,51,57,63,68,71,72,79,80,90,92,95,97,98,126,136,139,144,153,154,174, 185,189]
	Reliability (n=21)	[9,10,35,36,44,49,50,55,69,79,91,92,96,108,117,140,152,153,163,177,182]
	Connectivity (n=17)	[37,38,44,50,51,55,68,74,91,95,124,130,153,164,172,181,182]
Usefulness
	Benefit, performance expectancy, and added value (n=64)	[5,9,34,35,38,39,45,47,50,55,60,61,63,64,67,69,78,84-86,89,90,95,98,105-108,111, 112,114-117,122,125-127,129,132,134-136,139,141-147,149,150,153,156,158,163,168,170,172, 173,179,188,189]
Ease of use
	Effort expectancy and usability (n=55)	[4,5,9,10,38,42,44,52,59-61,69,70,72,73,78,81,84,86-89,92,105,106,110-112,116, 120,122,126,129,132,136,141,144,146,149,155,156,158,166,168,170-173,179,181-183, 185,189,192]
Compatibility
	Interoperability (n=31)	[2,9,10,34-36,41,53,54,59,61,66,70,72-74,80,87,95,127,128,134,139,156,165,169,172,174, 184,186,196]
	Electronic health record integration (n=20)	[9,38,48,72,78,84,85,87,129,143,151,162,167,172,174,175,182,188]
	Competition with existing programs (n=1)	[169]
Design
	Layout, interface, and culturally appropriate design (n=11)	[9,38,41,60,73,78,83,155,171,182]
	Patient-centered design (n=7)	[39,77,78,159,162,166,182]
Convenience		[5,61,68,73,75,78,82,89,91,116,124,131,136,161,162,165,173]
	Mobility and flexibility (n=17)
Content		[9,38,48,59,66,73,81,114,117,124,144,154,165,175,192]
	Trustworthiness and quality (n=15)
Personalization		[38,70,72,84,124,181,192]
	Customization and adaptability (n=7)