Table 4.

The COM-B components, linked intervention functions, most frequently used behaviour change techniques, and technique definitions, followed by the countries identified in the regression analyses for handwashing

COM-B Component(s)	Relevant Countries from regression analysis	Potential Intervention Functions	Most frequently used Behaviour Change Techniques
Capability	Australia, India, Indonesia, Saudi Arabia, South Africa, and UK	Education	Information about social and environmental consequences, Information about health consequences, Feedback on behaviour, Feedback on outcome(s) of the behaviour, Prompts/cues, Self-monitoring of behaviour
		Training	Demonstration of the behaviour, Instruction on how to perform a behaviour, Feedback on the behaviour, Feedback on outcome(s) of behaviour, Self-monitoring of behaviour, Behavioural practice/rehearsal,
		Enablement	Social support (unspecified), Social support (practical), Goal setting (behaviour), Goal setting (outcome), Adding objects to the environment, Problem solving, Action planning, Self-monitoring of behaviour, Restructuring the physical environment, Review of behaviour goal(s), Review outcome goal(s)
Opportunity	India, and Saudi Arabia	Training	Demonstration of the behaviour, Instruction on how to perform a behaviour, Feedback on the behaviour, Feedback on outcome(s) of behaviour, Self-monitoring of behaviour, Behavioural practice/rehearsal,
		Enablement	Social support (unspecified), Social support (practical), Goal setting (behaviour), Goal setting (outcome), Adding objects to the environment, Problem solving, Action planning, Self-monitoring of behaviour, Restructuring the physical environment, Review of behaviour goal(s), Review outcome goal(s)
		Environmental restructuring	Adding objects to the environment, Prompts/cues, Restructuring the physical environment
		Modelling	Demonstration of the behaviour
Motivation	Saudi Arabia, and UK	Education	Information about social and environmental consequences, Information about health consequences, Feedback on behaviour, Feedback on outcome(s) of the behaviour, Prompts/cues, Self-monitoring of behaviour
		Training	Demonstration of the behaviour, Instruction on how to perform a behaviour, Feedback on the behaviour, Feedback on outcome(s) of behaviour, Self-monitoring of behaviour, Behavioural practice/rehearsal,
		Enablement	Social support (unspecified), Social support (practical), Goal setting (behaviour), Goal setting (outcome), Adding objects to the environment, Problem solving, Action planning, Self-monitoring of behaviour, Restructuring the physical environment, Review of behaviour goal(s), Review outcome goal(s)
		Environmental restructuring	Adding objects to the environment, Prompts/cues, Restructuring the physical environment
		Modelling	Demonstration of the behaviour
		Persuasion	Credible source, Information about social and environmental consequences, Information about health consequences
		Incentivisation and Coercion	Monitoring outcome of behaviour by others without evidence of feedback, Self-monitoring of behaviour
		Persuasion, Incentivisation, and Coercion	Feedback on behaviour, Feedback on outcome(s) of behaviour