The impact of a low-carbohydrate/high-protein diet compared with a high-carbohydrate/low-fat diet on ratings of hunger and cognitive eating restraint were examined. Overweight premenopausal women consumed a low-carbohydrate/high-protein (n=13) or high-carbohydrate/low-fat diet (n=15) for 6 weeks. Fasting body weight (BW) was measured and the Eating Inventory was completed at baseline, weeks 1 to 4, and week 6. All women experienced a reduction in BW (P<.01), although relative BW loss was greater in the low-carbohydrate/high-protein vs high-carbohydrate/low-fat group at week 6 (P<.05). Based on Eating Inventory scores, self-rated hunger decreased (P<.03) in women in the low-carbohydrate/high-protein but not in the high-carbohydrate/low-fat group from baseline to week 6. In both groups, self-rated cognitive eating restraint increased (P<.01) from baseline to week 1 and remained constant to week 6. Both diet groups reported increased cognitive eating restraint, facilitating short-term weight loss; however, the decrease in hunger perception in the low-carbohydrate/high-protein group may have contributed to a greater percentage of BW loss.
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S. M. Nickols-Richardson is an associate professor; Department of Human Nutrition, Foods and Exercise, Virginia Polytechnic Institute and State University, Blacksburg.
M. D. Coleman is a program manager, MILES program; Department of Human Nutrition, Foods and Exercise, Virginia Polytechnic Institute and State University, Blacksburg.
J. J. Volpe is a graduate research assistant; Department of Human Nutrition, Foods and Exercise, Virginia Polytechnic Institute and State University, Blacksburg.
K. W. Hosig is an associate professor; Department of Human Nutrition, Foods and Exercise, Virginia Polytechnic Institute and State University, Blacksburg.
© 2005 American Dietetic Association. Published by Elsevier Inc. All rights reserved.