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Table 2 Dimension definitions of RE-AIM in ACTIVE SCHOOL process evaluation

From: Study protocol for the ACTIVE SCHOOL study investigating two different strategies of physical activity to improve academic performance in Schoolchildren

Evaluation dimensions definitions of RE-AIM

Dimension

Definition

Reach

Refers to recruitment strategy and procedure for this.

Refers to the proportion and representativeness of included schools and children.

Effectiveness

Refers to the effect of the interventions on academic performance, cognitive performance, motivation and well-being in intervention group children compared to the control group, who do not receive the intervention.

Adoption

Refers to the principal’s decision to accept the intervention as a part of a school year, and staff decision to adopt the intervention or not. This is reported as the acceptability, appropriateness rated by the staff and their delivery of any part of the intervention.

Implementation

Refers to the staff adherence to the target minutes of the intervention and the fidelity to intervention principles delivered as intended. Feasibility and adaptability additionally refer to implementation quality.

Maintenance

Refers to the extent to which intervention implementation was maintained throughout the school year (short-term maintenance). Additionally, indicators of sustainability are identified.