Table 1 Evaluation dimensions and definitions of RE-AIM

Dimension

Definitions

Reach

Refers to the proportion and representativeness of eligible schools willing to participate in the study.

Effectiveness

Is operationalized at the educators’ perceptions of the degree to which the three physical activity intervention components influenced child well-being.

Adoption

Refers to the educator’s decision to adopt the PA intervention or not. Reported as the proportion of educators who delivered any part of the PA intervention.

Implementation

Refers to the educators’ fidelity to the various elements of the intervention’s protocol, including the implementation quality and the consistency of delivery as intended.

Maintenance

Refers to the extent to which intervention implementation was maintained throughout the school year – short-term maintenance. Additionally, indicators of sustainability were identifying at the educator level.