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Rationale, design and methods for process evaluation in the HEALTHY study.

M Schneider1, W J Hall, A E Hernandez

  • 1Department of Planning, Policy and Design, University of California at Irvine, Irvine CA 92697, USA. Margaret.schneider@uci.edu

International Journal of Obesity (2005)
|July 23, 2009
PubMed
Summary
This summary is machine-generated.

The HEALTHY study implemented a school-based program to reduce type 2 diabetes risk factors in middle schoolers. Process evaluations ensured intervention fidelity and identified enhancements for better delivery.

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Area of Science:

  • Public Health
  • Pediatric Endocrinology
  • Behavioral Science

Background:

  • Type 2 diabetes risk is increasing in middle school children.
  • School-based interventions are crucial for early risk factor modification.
  • The HEALTHY study aimed to address these critical public health concerns.

Purpose of the Study:

  • To evaluate a 3-year school-based intervention targeting nutrition and physical activity.
  • To determine the intervention's effectiveness in reducing type 2 diabetes risk factors.
  • To assess and ensure the fidelity and quality of intervention delivery.

Main Methods:

  • Utilized a multi-site randomized trial design.
  • Employed pilot and formative studies to develop intervention components.
  • Integrated qualitative and quantitative assessments, including structured observations and interviews, for process evaluation.

Main Results:

  • Monitored intervention fidelity through structured observations and assessments.
  • Identified barriers and facilitators to intervention delivery and reception.
  • Ensured standardization and quality across seven participating centers through interim data summaries.

Conclusions:

  • Process evaluation methods confirmed intervention delivery as intended.
  • Identified strategies to enhance intervention delivery throughout the study.
  • Documented the fidelity of the HEALTHY study implementation across 21 schools.