. 2020 Mar 2;8(3):e14118. doi: 10.2196/14118

Table 4.

Participant characteristics for each study site and co-design iteration.

Participant characteristics		First iteration	Second iteration	Third iteration
Participants, n
	Spain	8-10^a	9	10
	England	16^b	10^b	10^b
	Italy	9-10^a	7-12^c,d	10^d,e
	Scotland	11	8-9	5
Sex (males:females)
	Spain	7:3, 2:6	5:4	5:5
	England	6:9	7:3	3:7
	Italy	6:4, 2:7	6:6	4:4
	Scotland	6:5	5:4	3:2

^a10 participants tested the serious game and 8-9 tested the companion and eDiary apps.

^b1 participant took part in all 3 iterations, 1 participant took part in the first and second iterations, and 4 participants took part in the second and third iterations.

^cThe number of completed questionnaires varied for different apps.

^dThe same participants took part in the second and third iterations.

^e10 participants tested the apps.