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Table 1 Definitions of RE-AIM dimensions

From: Evaluating the implementation of the PACE Steps to Success Programme in long-term care facilities in seven countries according to the RE-AIM framework

RE-AIM dimensionDefinition in PACE Process Evaluation
ReachProportion of caregivers in care settings that participated in the intervention during the study
EffectivenessPrimary and secondary outcomes (positive and negative)
AdoptionExtent to which caregivers actually adopt the intervention in the study (showed compliance with the intervention)
ImplementationExtent to which the intervention is implemented as intended in the real world, including implementation barriers and facilitators
(Intention to) MaintenanceExtent to which the intervention is intended to be sustained over time