Evaluation of a statewide dissemination and implementation of physical activity intervention in afterschool programs:

Michael W Beets1, R Glenn Weaver2, Gabrielle Turner-McGrievy2

  • 1University of South Carolina, 921 Assembly St, 1st Flr Office Suite, RM 131, Columbia, SC, 29208, USA. beets@mailbox.sc.edu.

Insights

YMCA afterschool programs aimed for 30 minutes of daily moderate-to-vigorous physical activity (MVPA). While initial results showed no overall program improvement, higher implementation of training strategies correlated with increased child MVPA.

Area of Science:

  • Public Health Interventions
  • Childhood Obesity Prevention
  • Afterschool Program Effectiveness

Background:

  • YMCA afterschool programs (ASPs) committed to a national standard of 30 minutes of daily moderate-to-vigorous physical activity (MVPA) for children.
  • This study evaluated the first year of a statewide intervention to achieve this MVPA standard.

Purpose of the Study:

  • To assess the dissemination, implementation, and outcomes of a statewide intervention aimed at increasing children's MVPA in YMCA ASPs.
  • To evaluate the effectiveness of professional development training on MVPA accumulation.

Main Methods:

  • A quasi-experimental design was used, sampling 20 YMCA ASPs in South Carolina.
  • Data were collected at baseline and first-year follow-up using accelerometers for MVPA and direct observation for implementation fidelity.
  • The RE-AIM framework guided the evaluation, with intent-to-treat (ITT) and as-treated analyses.

Main Results:

  • Reach and adoption of the training were variable across programs.
  • ITT analyses showed no significant changes in the percentage of programs meeting the MVPA standard for boys or girls.
  • Higher levels of implementation (moderate to high) were associated with significant increases in both boys' and girls' MVPA.

Conclusions:

  • While overall program-level MVPA did not improve, the findings suggest that implementing training components can lead to increased physical activity in children.
  • Further research is needed to optimize staff training attendance and identify specific factors driving MVPA gains.