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American Journal of Clinical Nutrition, Vol 48, 1248-1251, Copyright © 1988 by The American Society for Clinical Nutrition, Inc
ORIGINAL RESEARCH COMMUNICATIONS |
RJ Myers, RC Klesges, LH Eck, CL Hanson and ML Klem
Department of Home Economics and Distributive Education, Memphis State University, TN 38152.
The purpose of this study was to determine the accuracy of self- reported 24-h dietary recalls of overweight and normal-weight adults. Forty female college students (21 overweight, 19 normal weight) consumed a lunch meal at the university cafeteria while being unobtrusively observed. The following day subjects returned to the lab and completed a 24-h recall of their food intake. Accuracy of recalls was assessed by comparing directly observed intake with self-reported intake. Correlated t tests comparing observed and reported intake found a significant amount of overreporting of consumption for the entire sample. When analyses were conducted on individual groups (normal weight vs overweight), no between-group differences were found. A series of one-way analyses of variance (ANOVA) (normal weight vs overweight) and a multivariate ANOVA were performed for total calories, nutrients, and the amount of over- and underreporting. No significant differences between groups were observed.
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