Table 5.

Excerpt of examples of behavioral change technique (BCT) user-centered design (UCD) app translation.

Behavioral change techniques (BCTs)	User preferences	App features
Instruction on how to perform the behavior	Time saving and convenience, visual aids	Balance wheel, portion guide tool
Self-monitoring of the behavior	Gamification	Points for logging food
Feedback on the behavior	Time saving and convenience, visual aids,	Visual feedback of food groups to target in the following week
Non-specific reward	Gamification	Points and awards for completing activities