Table 3.

Data collection on participants’ My HealtheVet use (N=819).

Response options	Yes n (%)	No n (%)	I do not know n (%)
Have you completed the in-person authentication to upgrade your My HealtheVet account to use tools such as the secure messaging feature and Blue Button?	656 (80.1)	68 (8.3)	89 (10.9)
Have you opted-in to use the secure messaging feature on My HealtheVet?	658 (80.3)	70 (8.5)	86 (10.5)
Have you used the secure messaging (VA's secure email) feature on My HealtheVet?	565 (69.0)	204 (24.9)	45 (5.5)