Research Methods| Volume 52, ISSUE 4, P421-428, April 2020

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Design and Implementation of a 5-Year School-Based Nutrition Education Intervention

Published:January 14, 2020DOI:



      To describe the research methods of a multicomponent nutrition education program empowering teachers to improve nutrition literacy and prevent obesity among elementary school students.


      Prospective 5-year study following a pre-post intervention design.


      Four elementary schools in a high-needs area in Washington, DC: 2 intervention and 2 comparison schools.


      Approximately 100 teachers (25/school) and 800 students (200/school) enrolled over the study period.


      Healthy Schoolhouse 2.0 will engage teachers as agents of change by designing, implementing, and evaluating a structured professional development program to support the integration of nutrition concepts in the classroom.

      Main Outcome Measures

      Change in pre-post survey assessment of students’ nutrition literacy, attitudes, and intent; change in teachers’ self-efficacy toward teaching nutrition; fruit and vegetable consumption data collected 6 times/y in the cafeteria.


      Process evaluation throughout the study to document implementation and challenges. Multilevel mixed modeling will be used to determine the impact of the intervention.

      Key Words

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