Table 6. Barriers related to demographic factors.

	Income, socio- economic status*	Level of education*	Internet and computer access*
Implementation phase:
1 PHR readiness
1.1 Use of technology	2	2	1
1.2 Usage intentions	2	1	2
1.3 Participation in design of PHRs
2 Initial registration		1	3
3 Initial use	2	1	2
4 Continued use	2	1	2
5 PHR benefits
Investigation type:
A Collection of data from PHR users, or non-participants	3	4	5
B An observational study using demographic data and records of users and non-users	3	1	1
C Attitudes and opinions of patients about barriers	2	1	2

Notes.

^*Barrier associated with socioeconomic disadvantage.