Table 2.

Determinants of CQR-IR development identified in focus groups and interview

COM-B components	TDF domains	Specific factors identified as determinants for CQR-IR development	Potential intervention functions
Capability	Knowledge	Knowledge about CQR rationale	Education about CQR
		Knowledge about implementing CQR	Training in registry development and use
Motivation	Goals	Aims of CQR	Education about CQR
	Beliefs about consequences	Benefits and costs	Participant persuasion
	Professional role	Role boundaries of radiologists and radiographers	Participant persuation and incentivising
	Beliefs about capabilities	Registry user-friendliness	Participant incentivising
	Optimism	Organisational culture	Enabling teamwork and mutual engagement
	Emotions	Resistance, stress	Enabling teamwork and mutual engagement
Opportunity	Resources	Staff, financing, time, management support	Environmental restructuring
	Social influences	Associations
		SRIR