A process evaluation of the PLAN-A intervention (Peer-Led physical Activity iNtervention for Adolescent girls)

Few adolescent girls engage in enough physical activity (PA) to meet recommendations and there is a need for new interventions to increase girls PA. We have previously published the results of the PLAN-A cluster randomised feasibility trial which was a peer-led school-based PA intervention, showing that the intervention was feasible and held promise to increase the PA of girls aged 12–13 years. In PLAN-A, pupils nominated by their peers as...