Table 3.

MyChart Activity as a Function of Login Group

	Activity, Mean (Minimum, Maximum)
	Logged in Once	Logged in 2–23 Times	Logged in ≥24 Times
Viewing activities
Test results	0.44 (0, 12)	3.17 (0, 22)	12.30 (0, 122)
Medications	0.53 (0, 10)	2.58 (0, 19)	9.51 (0, 148)
Allergies	0.51 (0, 6)	2.35 (0, 15)	7.29 (0, 57)
Current health issues	0.49 (0, 2)	2.14 (0, 15)	6.01 (0, 56)
Print wallet card	0.03 (0, 1)	0.14 (0, 5)	0.52 (0, 14)
Immunizations	0.52 (0, 6)	2.36 (0, 15)	7.13 (0, 56)
Preventive care	0.30 (0, 11)	1.86 (0, 16)	6.88 (0, 58)
Medical history	0.23 (0, 2)	0.93 (0, 13)	2.70 (0, 55)
My conditions	0.52, (0, 6)	2.44 (0, 15)	7.63 (0, 58)
Letters	0.12 (0, 2)	0.58 (0, 11)	2.20 (0, 97)
After-visit summary	0.06 (0, 1)	0.44 (0, 10)	2.00 (0, 69)
Upcoming appointments	0.13 (0, 10)	1.32 (0, 16)	7.68 (0, 146)
All viewing activities	3.89 (0, 64)	20.30 (0, 133)	71.86 (0, 547)
Online requests or services
Request a refill	0.03 (0, 2)	0.36 (0, 13)	2.77 (0, 82)
Request or cancel an appointment	0.09 (0, 3)	1.00 (0, 14)	5.99 (0, 96)
Update demographics (address, phone, E-mail)	0.03 (0, 1)	0.19 (0, 7)	0.75 (0, 13)
Download summary record	0.03 (0, 1)	0.09 (0, 4)	0,21 (0, 12)
All online activities	0.19 (0, 4)	1.64 (0, 17)	9.73 (0, 116)
Communication activities
Communicating with health care team	0.14 (0, 3)	1.34 (0, 16)	9.46 (0, 147)
Nonurgent medical question	0.05 (0, 2)	0.64 (0, 13)	5.31 (0, 113)
Prescription question	0.01 (0, 2)	0.16 (0, 8)	1.17 (0, 23)
Test results question	<0.01 (0, 2)	0.08 (0, 4)	0.31 (0, 9)
Visit follow-up question	<0.01 (0, 1)	0.09 (0, 8)	0.57 (0, 28)
All communicating activities	0.22 (0, 5)	2.32 (0, 29)	16.83 (0, 258)