BAR CODED DIET ANALYSIS

本项目将开发和测试条形码画册， 通过邮件进行食物摄入量调查。 小册子将 说明400种食物，并用于获得24小时饮食回忆 数据 预计小册子的长期用途将是查明 总脂肪、胆固醇和 饱和脂肪摄入量，以便将他们转介咨询。 偏置 50名志愿者将测试小册子的准确性， 一式两份记录标准食品型号。 偏倚和准确度 小册子将一式两份， NHLBI-LRC对另外100名志愿者进行24小时回忆访谈。

This project will develop and test bar coded pictorial booklets for through the mail use in surveys of food intake. Booklets will illustrate 400 food items and be used to obtain 24-hour diet recall data. The projected long-range use of booklets will be to identify groups of individuals with excessive total fat, cholesterol, and saturated fat intake in order to refer them for counselling. Bias and accuracy of booklets will be tested by 50 volunteers who record standard food models in duplicate. Bias and accuracy of booklets will be compared in duplicate with the standardized NHLBI-LRC 24-hour recall interview in 100 additional volunteers.