Table 7. Barriers related to individuals’ capabilities.

	Text literacy/ functional literacy*	Numeracy*	Health literacy*	Technical literacy and skills*
Implementation phase:
1 PHR readiness
1.1 Use of technology			1	1
1.2 Usage intentions			2	3
1.3 Participation in design of PHRs	1			2
2 Initial registration
3 Initial use		1		2
4 Continued use	1		2	5
5 PHR benefits			1
Investigation type:
A Collection of data from PHR users, or non-participants	1	1	4	7
B An observational study using demographic data and records of users and non-users			1	1
C Attitudes and opinions of patients about barriers	1		1	4

Notes.

^*Barrier associated with socioeconomic disadvantage.