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Using plate mapping to examine sensitivity to plate size in food portions and meal composition among college students

机译：使用板材映射来检查大学生食品部分和膳食组成中板材的敏感性

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摘要

People eat meals rather than nutrients or food groups. Plate size may influence meal size, meal composition, and food type. To examine effects of plate size on meals, we developed a method we label plate mapping. A quasi-experimental study asked university students to accurately draw what they would like to eat for dinner on either a 9″ or 11″ paper plate. Coding plate drawings for total meal size revealed that students drew an average of 26% more food on larger plates. When plates were coded for meal composition we found that the biggest three food portions drawn by students were bigger on 11″ plates, with 70% of the overall difference in food area occurring in the biggest food. Participants drew bigger portions of vegetables on larger plates, while other food types showed little change in mean size. Gender moderated plate sensitivity for food types: women drew 36% bigger vegetable portions than men on larger plates. Smaller plates may lead to smaller meal sizes, but plate size may differentially influence composition of meals for men and women. These findings suggest plate mapping can be used to reflect meal conceptualizations and assess sensitivity to plate size.
机译：人们吃饭而不是营养或食物。盘子的大小可能会影响进餐量，进餐成分和食物类型。为了检查盘子大小对餐食的影响，我们开发了一种标记盘子映射的方法。一项准实验研究要求大学生在9英寸或11英寸的纸盘上准确画出他们想吃的晚餐。总餐量的餐盘图显示，学生在大餐盘上平均多吃了26％的食物。将餐盘的餐食成分编码后，我们发现学生在11英寸的餐盘中抽取的食物中最大的三个部分更大，其中最大食物中占食物总面积差异的70％。参与者在较大的盘子上绘制了较大比例的蔬菜，而其他食物类型的平均尺寸变化不大。性别对食物类型的盘子敏感度：在较大盘子上，女性比男性多摄取36％的蔬菜。较小的盘子可能会导致较小的进餐量，但盘子大小可能会不同地影响男女进餐的成分。这些发现表明，板图可以用来反映餐食的概念化并评估对板大小的敏感性。

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