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. 2018 Apr 17;6(4):e97. doi: 10.2196/mhealth.9115

Table 1.

Frequency of use metrics of the Pfizer Meds app. iOS: iPhone Operating System; OS: operating system.

Variable Participant utilization (N=1281)
Type of mobile on OS, n (%)a

Android 672 (52.46)

iOS 612 (47.78)
Number of sessions per participant

n (%) 1281 (100.00)

Mean (SD) 4.0 (6.8)

Median (min, max) 1.0 (1, 89)
Number of times my medication page viewed per participant

n (%) 1220 (95.24)

Mean (SD) 4.1 (5.9)

Median (min, max) 2.0 (1, 87)
Number of times reminder set/user settings up page viewed per participant

n (%) 1259 (98.28)

Mean (SD) 2.7 (1.9)

Median (min, max) 2.0 (1, 17)
Number of times reminder display page viewed per participant

n (%) 672 (52.26)

Mean (SD) 2.8 (4.2)

Median (min, max) 1.0 (1, 68)
Number of times savings calculator set up page viewed per participant

n (%) 1210 (94.46)

Mean (SD) 1.3 (0.9)

Median (min, max) 1.0 (1, 9)
Number of times savings calculator graph viewed per participant

n (%) 1175 (91.73)

Mean (SD) 1.4 (1.0)

Median (min, max) 1.0 (1, 11)
Number of times main my information vault page viewed per participant

n (%) 660 (51.52)

Mean (SD) 3.8 (4.1)

Median (min, max) 2.0 (1, 40)
Number of times product images viewed per participant

n (%) 425 (33.18)

Mean (SD) 1.3 (0.6)

Median (min, max) 1.0 (1, 4)
Number of times important safety information expanded per participant

n (%) 262 (20.45)

Mean (SD) 1.1 (0.4)

Median (min, max) 1.0 (1, 4)
Number of times badges page viewed per participant

n (%) 498 (38.88)

Mean (SD) 2.3 (3.0)

Median (min, max) 1.0 (1, 30)

aPercentages can sum to more than 100% because a participant can report more than one type of mobile OS.