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Related Experiment Videos

Assessing the dietary environment: examples from school-based nutrition interventions.

Leslie A Lytle1, Jayne A Fulkerson

  • 1University of Minnesota, Division of Epidemiology, 1300 South 2nd Street, Suite 300, Minneapolis 55454, USA. lytle@epi.umn.edu

Public Health Nutrition
|March 14, 2003
PubMed
Summary

Assessing the food environment is crucial for understanding dietary patterns. Current methods struggle to measure these environmental factors, highlighting a need for better tools to assess dietary environments.

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Area of Science:

  • Public Health Nutrition
  • Dietary Assessment
  • Environmental Health

Background:

  • Understanding dietary patterns requires examining both individual choices and broader environmental influences.
  • Public health nutrition interventions often focus on individual behavior, potentially overlooking environmental determinants of food choice.

Purpose of the Study:

  • To introduce upstream (environmental) and downstream (individual) public health approaches to diet.
  • To discuss challenges in assessing environmental factors that influence eating patterns.
  • To provide examples of diet assessment methods within specific studies.

Main Methods:

  • Review of dietary assessment issues in the context of public health approaches.
  • Examples drawn from the Child and Adolescent Trial for Cardiovascular Health (CATCH), Teens Eating for Energy and Nutrition at School (TEENS), and Trying Alternative Cafeteria Options in Schools (TACOS) studies.

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  • Focus on challenges in measuring 'dietary environments'.

    • Main Results:

    • The healthfulness of the 'dietary environment' significantly impacts food consumption.
    • Factors like food availability, social norms, pricing, policy, and promotion shape dietary choices.
    • Individual decision-making may be less influential than environmental factors.

    Conclusions:

    • The 'dietary environment' plays a critical role in determining what people consume.
    • There is a significant lack of published research on how to effectively assess these 'dietary environments'.
    • Further development of assessment tools for dietary environments is needed for effective public health interventions.