Table 4.

Mapping behavioral change techniques (BCTs) to intervention functions.

COM-B	Theoretical Domains Framework (TDF)	Intervention funtions	Behavioral change techniques (BCTs)
Psychological capability
	Knowledge	Education	Instruction on how to perform the behavior, habit formation
	Memory, attention, and decision making skills	Training	Instruction on how to perform the behavior, behavioral practice/rehearsal/, habit formation
	Skills (cognitive and interpersonal)	Training, enablement	Instruction on how to perform the behavior, behavioral practice/rehearsal/, habit formation
	Behavioral regulation	Training, enablement, modelling	Monitoring of behavior by others without feedback, self-monitoring of behavior, feedback on behavior
Reflective motivation
	Intentions	Persuasion	Commitment
	Social identity	Persuasion, modelling	Identification of self as role model, valued self-identity
	Beliefs about capabilities	Persuasion, training	Instruction on how to perform the behavior, goal setting, feedback on behavior, prompts/cues
	Beliefs about consequences	Education, persuasion, Training	Information about health consequences, information about social and environmental consequences
Automatic Motivation
	Emotion	Persuasion	Social support (emotional), self-monitoring of behavior
Physical opportunity
	Environmental context and resources	Environmental restructuring	Adding objects to the environment, restructuring the physical environment
Social opportunity
	Social influences	Enablement	Social support (unspecified), social support (practical)