Design of a Digital-Based, Multicomponent Nutrition Guidance System for Prevention of Early Childhood Obesity

Table 1

Alignment of theoretical constructs with simplified mediators in research content tables.

Motivational constructs
Knowledge	(i) Behavioral beliefs^1, outcome expectations^2, perceived benefits^3
	(ii) Perceived risk (susceptibility + severity)^2
Facilitators	(i) Existing positive or strong
	(a) Behavioral beliefs^1, outcome expectations^2, perceived benefits^3
	(b) Outcome evaluations^1, attitudes^1, outcome expectancies^2
	(c) Perceived risk^3
	(d) Social norms^1, social outcome expectations^2
	(e) Self-efficacy^2,3, perceived behavioral control^1
Barriers	(i) Existing positive or strong
	(a) Behavioral beliefs^1, outcome expectations^2, perceived benefits^3
	(b) Outcome evaluations^1, attitudes^1, outcome expectancies^2
	(c) Perceived risk^3
	(d) Social norms^1, social outcome expectancies^2
	(e) Self-efficacy^2,3, perceived behavioral control^1
	(ii) Environmental constraints^2,3
Capacity to act constructs
Knowledge	(i) Behavioral capability (relevant background knowledge)^1
Barriers	(i) Increasing self-efficacy to overcome existing barriers^2
	(ii) Self-regulation^2
Instruction	(i) Behavioral capability^2
	(ii) Increase self-efficacy^2

Theory of Planned Behavior.
²Social Cognitive Theory.
³Health Belief Model.