Table 1.

Engagement measures.

Engagement measuresa	Engagement over study durationb			Engagement per day, mean (SD)
	Mean (SD)	Median (IQR)
Messages sent to the coach per person	19.3 (16.2)	14 (66)	0.16 (0.14)
Messages sent from the coach per person	31.6 (16.1)	31 (74)	0.26 (0.13)
Number of times blood pressure was logged	63.1 (46.0)	69 (178)	0.52 (0.38)
Number of times weight was logged	51.5 (45.1)	41 (76)	0.43 (0.38)
Number of times steps were logged	55.1 (35.7)	63 (103)	0.46 (0.30)
Logged food entries	708.9 (541.2)	616 (1473)	5.9 (4.5)
Goals recorded	5.1 (1.8)	5.5 (5)	N/Ac

^aData represented reflect those who used the respective features.

^bThe study duration was 120 days.

^cN/A: not applicable.