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Related Experiment Videos

Stage-based interventions for low-fat diet with middle school students.

Marilyn Frenn1, Shelly Malin, Naveen K Bansal

  • 1College of Nursing and Department of Math and Statistics, Marquette University, Milwaukee, WI 53201, USA.

Journal of Pediatric Nursing
|March 1, 2003
PubMed
Summary

An intervention combining health promotion and the Transtheoretical Model successfully reduced dietary fat in middle school students. This approach offers a promising strategy for preventing adolescent obesity and cardiovascular disease.

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Area of Science:

  • Public Health
  • Adolescent Health
  • Behavioral Science

Background:

  • Obesity and cardiovascular disease prevention in youth is critical.
  • Effective interventions for early adolescents are limited.
  • This study addresses the need for evidence-based strategies in urban middle schools.

Purpose of the Study:

  • To evaluate a classroom intervention for controlling dietary fat and increasing physical activity in early adolescents.
  • To apply a combined Health Promotion/Transtheoretical Model for behavior change.
  • To assess the intervention's impact on dietary fat intake among diverse, low-income students.

Main Methods:

  • A quasi-experimental design involved 117 middle school students (60 intervention, 57 control).
  • The intervention group received four classroom sessions focused on diet and physical activity.

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  • Statistical analysis included regression and t-tests to compare dietary fat intake pre- and post-intervention.

    • Main Results:

    • The Health Promotion/Transtheoretical Model effectively predicted dietary fat percentage at pretest.
    • The intervention group showed a significant reduction in dietary fat intake compared to the control group (p = .04).
    • The study demonstrated the model's utility in modifying adolescent dietary behaviors.

    Conclusions:

    • Classroom-based interventions utilizing the Health Promotion/Transtheoretical Model can effectively reduce dietary fat in adolescents.
    • This intervention shows potential for preventing obesity and cardiovascular disease in early life.
    • Culturally diverse, low-income urban youth benefited from this targeted health education approach.