Conceptual definition of the implementation outcomes
| Implementation outcomes | Definition (according to Proctor et al 2011)40 | Related terms |
| Acceptability | Perception that the intervention is agreeable, satisfactory or confers relative advantage | Comfort; Advantage; Credibility |
| Appropriateness | Perceived fit or relevance of the intervention in a setting | Relevance; Perceived fit; Compatibility; Perceived usefulness; Suitability |
| Adoption | Intention, initial decision or action to try to employ a new intervention | Uptake; Utilisation; Intention to try |
| Costs | Incremental cost of the implementation strategy and the total cost of implementation including the cost of the intervention | Marginal cost; Total cost |
| Feasibility | The extent to which an intervention can be carried out in a setting or organisation | Practicality; Actual fit; Utility; Trialability |
| Fidelity | The degree to which an intervention is implemented as it was designed in an original protocol, plan or policy | Adherence; Integrity; Quality of programme delivery; Intensity or dosage of delivery |
| Penetration | The degree to which the population that is eligible to benefit from an intervention receives it | Reach; Access; Service spread; Effective coverage |
| Sustainability | Extent to which an intervention is maintained or institutionalised in each setting | Maintenance; Continuation; Durability; Institutionalisation; Routinisation; Integration |