Table 3.

Relationship between participants’ views on consent (opt in vs opt out) and views about private companies.

Views about private companies	Type of consent		P value
	Opt in (n=1356), n (%)	Opt out (n=352), n (%)
Private companies can be trusted to store health information safely	494 (36.4)	119 (33.7)	.38
Private companies should be allowed to make profit from the use of this information	346 (25.5)	98 (27.8)	.41
Private companies can be trusted to act for the good of society	473 (34.9)	105 (29.9)	.10
If you give health information to a private company, you cannot control where it ends up	868 (64.0)	202 (57.4)	.04a
Someone may be able to work out who I am even though my personal information has been removed	679 (50.1)	157 (44.6)	.09
The government won’t be able to stop private companies from misusing this information, even if they try	818 (60.3)	199 (56.6)	.24

^aIndicates level of significance at P<.05.