The effects of restraint, gender, and body mass index on the accuracy of self-reported weight

Objective: Previous research has shown that women, restrained eaters, and over-weight/obese individuals have a tendency to underreport their weight. This study investigated gender, dietary restraint, and BMI to determine which is the best predictor of errors in self-reported weight. Method: A total of 241 college students completed questionnaires pertaining to height and weight and then were weighed in the laboratory. Results: Although overall students were fairly accurate in reporting their weight, restraint status was the best predictor of weight underestimation. Discussion: These results suggest that restrained eaters, regardless of gender or BMI, have a tendency to underestimate their weight.