Table 7.

Summary of consistencies and variations in COM indicators

COM-B Model		TDF domain	Measures	PA	E
Capability	Psychological	Behavioural regulation	Action control	✓	✓
		Behavioural regulation	Action planning	✓	✘
		Behavioural regulation	Habits	✓	✓
		Memory, attention, and decision processes	Decision making (cons)	✘	✓
Opportunity	Social	Social influences	Subjective norms (descriptive)	✓	✓
		Social influences	Social support	✓	✘
	Physical	Environmental context and resources	Environment (home/shop)	✘	✓
Motivation	Reflective	Social/professional role and identity’	Identity	✓	✓
		Beliefs about capabilities	Self-efficacy	✓	✓
		Beliefs about capabilities	PBC	✘	✓
		Intention	Intentions	✓	✓
		Beliefs about consequences	Attitudes (instrumental/affective)	✘	✓
	Automatic	Emotion	Positive affect	✓	✘

Note. consistencies and variations are based on final measurement model results

Abbreviations: E eating, PA physical activity, PBC perceived behavioural control