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Table 1 Process evaluation dimensions and definitions

From: Process evaluation of Samoa’s national salt reduction strategy (MASIMA): what interventions can be successfully replicated in lower-income countries?

Dimension Definition
Reach The proportion of the target audience that encounters or participates in the intervention and its representativeness [19, 22]
Dose The quantity of the intervention that participants received (dose received) or the quantity of the intervention delivered (dose delivered) [18, 22]
Adoption the number of settings or institutions that adopt a program or policy [19]
Fidelity The quality of what is delivered and the extent to which the intervention is delivered as planned [18, 22]
Context The contextual factors (facilitators or barriers) that influence implementation and the mechanisms of impact or outcome [18]
Cost The cost of the interventions from a government perspective