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Appetite. 2003 Apr;40(2):137-43.

Relation between appetite ratings before and after a standard meal and estimates of daily energy intake in obese and reduced obese individuals.

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1
School of Human Kinetics, University of Ottawa, Ottawa, Ont., Canada K1N 6N5.

Abstract

The aim of the present study was to relate appetite ratings before and after a standard breakfast to estimates of daily energy intake, before and after weight loss obese men and women. Nineteen obese subjects (9 men and 10 women) took part in a 15-week drug-based weight-loss program coupled to energy intake restriction. Body weight and body composition were significantly decreased in men and women. Both before and after the weight loss program, desire to eat, hunger, fullness and prospective food consumption (PFC) were measured after an overnight fast and at 10-min intervals in the hour following the ingestion of a standardized breakfast. Energy intakes were also measured and reported before and after weight loss. Fasting desire to eat and postprandial area under the curve (AUC) for hunger were significantly increased (p<0.05) after the intervention. No association was observed between measured or reported energy intakes and appetite ratings before weight loss in either men or women. Reported energy intake was not associated with appetite sensations after weight loss either. In contrast, measured energy intake was significantly associated with postprandial AUC for fullness (r=-0.90, p<0.01) and PFC (r=0.80, p<0.01) in men at the end of the program. In stepwise multiple regression analysis, only postprandial AUC for PFC contributed independently to the variance of measured energy intake after weight loss (r(2)=0.60, p=0.01). This study did not show consistent associations between averaged appetite ratings after a meal and daily energy intake, either before or after weight loss.

PMID:
12781163
[Indexed for MEDLINE]

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