Table 2.

Implementation assessments

Quantitative implementation assessments	PA programme activity	Indicator	Data source
Uptake and reach	Patient referral to PA programme	% of patients screened for participation % of patients who were eligible % of patients consenting % of participants dropping out of the PA programme Reasons for excluding patients Reasons why eligible patients did not wish to participate Mean age of participants % of participants on/off treatment	MDT records Researcher records
Engagement and fidelity	Providing choice of PA programme, Induction Attendance SDT-based motivational interviewing, Behaviour Change Techniques (e.g. goal-setting, monitoring)	Participant choice of PA programme: % choosing cardiac rehabilitation exercise classes % choosing local leisure centre with 3-month free membership % choosing telephone-based PA consultations Cardiac rehabilitation: Number of participants receiving induction Number of exercise classes attended by participants Leisure Centre with 3-month free membership: Number of participants receiving induction Number of visits to leisure centre over study duration % of participants taking out leisure centre membership at end of the study Telephone-delivered PA consultations: Number of participants receiving induction Number of consultations delivered % of SDT-based techniques used Mean score psychological needs met by PA programme	Researcher records Routine cardiac rehabilitation service records PA specialist records Leisure centre records Participant questionnaire (Perceived Environmental Supportiveness Scale)
PA dose		Frequency Total number of PA sessions (defined as an occasion when the participant did any type of PA) Intensity Mean intensity of PA sessions Time Mean minutes per week spent of PA sessions Type % of PA sessions categorised by type, e.g. walking, jogging, cycling, etc. Other: Mean daily step count	Participant PA diaries