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

机译：评估饮食环境：基于学校的营养干预措施的例子

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Objective:The objectives of this paper are to (1) introduce the concept of upstream and downstream public health approaches and discuss diet assessment issues in that context, and (2) provide examples of diet assessment methods and challenges in assessing environmental factors influencing eating patterns.Design:Dietary assessment of environmental factors is discussed as they relate to nutrition interventions for school-aged children, although the issues transcend population characteristics. Examples of assessment challenges in measuring a€?dietary environmentsa€? are 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.Results/conclusions:The healthfulness of our a€?dietary environmentsa€? (which may include food availability, social norms around food choice and the effect of pricing, policy and promotion on food choice) may be more important in determining what people consume than their individual decision-making about food choice. There is a dearth of published information to inform us on how to assess these a€?dietary environmentsa€?.
机译：目的：本文的目的是（1）介绍上游和下游公共卫生方法的概念，并在此背景下讨论饮食评估问题，（2）提供饮食评估方法的例子以及评估影响饮食习惯的环境因素的挑战设计：讨论了环境因素的饮食评估，因为它们与学龄儿童的营养干预有关，尽管这些问题超越了人口特征。评估饮食环境中的评估挑战的示例摘自儿童和青少年心血管健康试验（CATCH），青少年在学校就能量和营养饮食的青少年（TEENS）和尝试在学校中选择自助餐厅的选择（TACOS）研究。结果/结论：我们饮食的健康性环境？ （可能包括食物供应，围绕食物选择的社会规范以及定价，政策和促销对食物选择的影响）在确定人们消费什么方面可能比个人对食物选择的决策更为重要。缺乏公开的信息来告知我们如何评估这些饮食环境。

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