Table 2.

Overview of the different components of the intervention. Definition of actual usage of the different components of the intervention of all completers (n=159 patients) and the minimum and maximum values one can achieve in terms of actual usage were reported when applicable. Actual usage and possible minimum-maximum are expressed as median (P25-P75) days per week for the step counter and the daily tasks on the app. Weekly feedback is expressed as median (P25-P75) percent of weeks in the intervention. 

Components of the intervention		Actual usage
		Definition of actual usage	Median (p25-p75)a	Possible minimum-maximum
One-to-one interview with coach discussing motivation, barriers, favorite activities, and strategies to become more active		N/Ab	N/A	N/A
Step counter (Fitbug Air; days per week)		A day with ≥70 steps recorded	6.3 (5.8-6.8)	0-7
A project-tailored smartphone coaching app (Linkcare, Barcelona ES) with different tasks
	Send activity data task (days per week)	Patient closes task	4.1 (2.4-5.6)	0-7
	Looking to the daily goal task (days per week)	Patient closes task	4.1 (2.1-5.9)	0-7
	Looking at the daily feedback task (days per week)	Patient closes task	2.2 (0.7-4.1)	0-6
	Looking at the weekly feedback task (% of weeks in the intervention)	Patient closes task	55 (29-78)	0-100
A booklet containing home exercises		N/A	N/A	N/A
Weekly group text messages with activity proposals sent by the coach		N/A	N/A	N/A
Contact with the coaches, which was triggered in the case of nonactual usage with wearing the step counter, failure to transmit data, or failure to progress		N/A	N/A	N/A

^a25th and 75th percentiles (P25-P75).

^bN/A: not applicable.