Table 2.

Common help ticket themes (addressed in at least 5% of submitted tickets)

Common Themes among Help Tickets Generated by Potential Participants (a single help ticket may be coded in more than one theme)	# of Help Tickets (N = 623)	% of Help Tickets
Enrollment process questions	298	48%
Medical clearance	211	34%
Questions about the pedometer or uploading pedometer data	196	31%
Problems accessing/using the internet	60	10%
Questions about baseline survey	43	7%
Problems getting study emails	38	6%
Question about dropping out of the study	38	6%