Table 2.

Follow-up survey responses to the question “Was it (or would it be) acceptable to you to be contacted using a MyChart message for a research study?”

	Original contact via MyChart	Original contact via letters or phone calls
No. of responses to follow-up survey (% of original subjects contacted)	20 (4%)	42 (11%)
No. of responders who indicated it was acceptable to be contacted via MyChart for research studies (% of responders)	18 (90%)	24* (57%)
No. of responders who indicated it was not acceptable to be contacted via MyChart for research studies (% of responders)	0 (0%)	7 (17%)
No. of responders who were not sure it was acceptable to be contacted via MyChart for research studies (% of responders)	1 (5%)	3 (7%)
No. of responders who indicated they did not use MyChart (% of responders)	1 (5%)	8 (19%)

*p<0.01 compared to MyChart group by χ².