Table 2.

Usability evaluation activity trackers in general. For these “general questions” we used the information of all participants asked during the usability part (N=10).

Question		General (N=10)
What is your preferred location to wear an activity tracker?
	Wrist	7
	Waist	2
	On the shoe	1
Have you worn an activity tracker before?
	Yes	6
	No	4
In general, how have you perceived wearing an activity tracker?
	Very bad	0
	Bad	2
	Not good, not bad	3
	Good	4
	Very good	1
How important is the look and feel of an activity tracker?
	Not important	0
	Slightly important	2
	Moderately important	1
	Important	7
	Very important	0
On which device would you like to see your activity records?
	Phone	10
	Tablet	2
	Computer	1