Table 1.

Schedule for the long-term trial and the timing of data collection.

Meetings	Time (month, year)	Events
1	September 2008 a	Introduction of the Few Touch application (except physical activity sensor system and tips function)
		Questionnaire 5
2	October 2008 (7 weeks after Meeting 1)	Introduction of tips function
		Focus group sessions (the participants were divided into two groups)
3	December 2008b, January 2009c	Introduction of physical activity sensor system
		Individual semistructured interview
		Questionnaires 4 and 7
4	March 2009	Focus group sessions (the participants were divided into two groups)
		Questionnaires 1, 2, 4-8
		System Usability Scale (SUS) [49]
5	June 2009	Focus group sessiond
6	October 2009	Focus group sessions (the participants were divided into two groups)
		Questionnaires 3-7, 9

^aFor P07 and P11, the application was introduced on October 1 and 7, 2008, respectively

^bTwo participants attended an individual meeting.

^cTen participants attended an individual meeting.

^dTen participants attended the focus group session.