Influence of external contextual factors on the implementation of health and social care interventions into practice within or across countries—a protocol for a ‘best fit’ framework synthesis

Table 1 Implementation outcome measures included in the review

Implementation outcome	Definition according to Proctor et al. [18]
Acceptability	Perception among implementation stakeholders that a given intervention is agreeable, palatable or satisfactory.
Adoption	Intention, initial decision or action to attempt to employ an intervention.
Appropriateness	Perceived fit, relevance or compatibility of the intervention for a given practice setting, provider or consumer; and/or perceived fit of the intervention to address a particular issue or problem.
Costs	Cost impact of an implementation effort.
Feasibility	Extent to which an intervention can be successfully used or carried out within a given setting.
Fidelity	Degree to which an intervention is implemented as it was intended in the original protocol or by the programme developers.
Penetration	Integration of an intervention within a service setting.
Sustainability	Extent to which a newly implemented intervention is maintained or institutionalised within a service setting’s ongoing, stable operations.

ISSN: 2046-4053