A comparison of the accuracy of self-reported intake with measured intake of a laboratory overeating episode in overweight and obese women with and without binge eating disorder
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Research has demonstrated significant underreporting of food intake in obese individuals with and without binge eating disorder (BED). An improved understanding of the accuracy of self-reported food intake is central to diagnosis of eating disorders and monitoring response to treatment. The purpose was to: (1) confirm those with BED consume significantly more kilocalories (kcal) than overweight/obese controls when instructed to overeat in the laboratory and (2) compare dietary recall data with measured intake.
Fifteen women fulfilling BED criteria and 17 controls participated in an overeating episode and completed a 24-h dietary recall.
BED participants consumed significantly more kilocalories according to both methodologies. The BED group self-reported 90% of the measured intake compared to 98% for the control group. Mean differences between the methods indicated that on average both groups underreported intake; however, the mean difference between methods was significantly greater in the BED group.
Findings confirm that those with BED consume significantly more than controls during a laboratory binge and controls tended to be more accurate in recalling their intake 24 h later.
KeywordsBinge eating disorder Obesity Food intake Meal patterning Dietary recall Underreporting
This study was funded by a National Institutes of Health Grant (R01 MH 060199, MO1-RR00400), supported in part by the Minnesota Obesity Center Grant (P30 DK 60456) and National Institute on Drug Abuse (DA-26119). The authors wish to thank Jennifer Hommerding for her assistance with data collection.
Conflict of interest
The authors declare no conflict of interest.
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