Shortening the retention interval of 24-hour dietary recalls increases fourth-grade children’s accuracy for reporting energy and macronutrient intake at school meals

摘要

BackgroundAccurate information about children’s intake is crucial for national nutrition policy and for research and clinical activities. To analyze accuracy for reporting energy and nutrients, most validation studies utilize the conventional approach which was not designed to capture errors of reported foods and amounts. The reporting-error-sensitive approach captures errors of reported foods and amounts.