Abstract
Objective
Determine validity of Day in the Life Questionnaire-Colorado (DILQ-CO) as a dietary
assessment tool for classroom-administered use.
Methods
Agreement between DILQ-CO responses and weighed plate waste measured in 125 fourth-grade
students in 2 low-income schools. Validity assessed by comparing reported school lunch
items and portion size estimations on DILQ-CO to plate waste. Agreement calculated
using Spearman correlations, κ statistic, percent agreement, exclusions, intrusions,
and mismatches.
Results
Substantial-to-almost-perfect agreements for students' reports of food eaten in all
but the dessert category (κ coefficients: 0.65-0.97; 81%-99% matches). Significant
correlations (P ≤ .05) were found between students' reports of how much was eaten and plate waste
measurements for 6 of 10 items; agreement ranged from 47%-82%.
Conclusions and Implications
Classroom-administered DILQ-CO provided a valid measure of reported school lunch items,
with amounts reported eaten of lower but still acceptable agreement. This tool shows
promise as a group-administered dietary recall with children.
Key Words
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© 2011 Society for Nutrition Education. Published by Elsevier Inc. All rights reserved.
