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Table 8 ISAT: Part B domains and objectives

From: Intervention Scalability Assessment Tool: A decision support tool for health policy makers and implementers

B1: Fidelity and adaptationProposed changes to the intervention required for scale-up
B2: Reach and acceptabilityThe likely reach and acceptability of the intervention for the target population
B3: Delivery setting and workforceDefine the setting within which the intervention is delivered as well as the delivery workforce
B4: Implementation infrastructureImplementation infrastructure is required for scale-up
B5: SustainabilityLonger-term outcomes of the scale-up and how, once scaled up, the intervention could be made sustainable over the medium to longer term