Table 4 Definitions
| Concepts | Definitions | Associated sub-concepts |
|---|---|---|
| Spread | The process through which new working methods developed in one setting are adopted, perhaps with appropriate modifications, in other organisational contexts [25, 67] |
Dissemination [63] Diffusion [59, 63] |
| Sustainability | The process through which new working methods, performance enhancements and continuous improvements are maintained for a period appropriate to a given context [25] |
Adoption [81] Implementation [82] |
| Scale | The ambition or process of expanding the coverage of health interventions, but can also refer to increasing the financial, human and capital resources required to expand coverage [83] |
Scalability [84] Expandability [70] Fidelity [77] Replication [85, 86] |