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Three-Year Weight Change in Successful Weight Losers Who Lost Weight on a Low-Carbohydrate Diet
Article first published online: 6 SEP 2012
2007 North American Association for the Study of Obesity (NAASO)
Volume 15, Issue 10, pages 2470–2477, October 2007
How to Cite
Phelan, S., Wyatt, H., Nassery, S., DiBello, J., Fava, J. L., Hill, J. O. and Wing, R. R. (2007), Three-Year Weight Change in Successful Weight Losers Who Lost Weight on a Low-Carbohydrate Diet. Obesity, 15: 2470–2477. doi: 10.1038/oby.2007.293
- Issue published online: 6 SEP 2012
- Article first published online: 6 SEP 2012
- Received for review November 02, 2006, Accepted in final from February 13, 2007
- weight loss;
- physical activity;
- weight maintenance;
- weight control;
- low-carbohydrate diet
Objective: The purpose of this study was to evaluate long-term weight loss and eating and exercise behaviors of successful weight losers who lost weight using a low-carbohydrate diet.
Research Methods and Procedures: This study examined 3-year changes in weight, diet, and physical activity in 891 subjects (96 low-carbohydrate dieters and 795 others) who enrolled in the National Weight Control Registry between 1998 and 2001 and reported ≥30-lb weight loss and ≥1 year weight loss maintenance.
Results: Only 10.8% of participants reported losing weight after a low-carbohydrate diet. At entry into the study, low-carbohydrate diet users reported consuming more kcal/d (mean ± SD, 1895 ± 452 vs. 1398 ± 574); fewer calories in weekly physical activity (1595 ± 2499 vs. 2542 ± 2301); more calories from fat (64.0 ± 7.9% vs. 30.9 ± 13.1%), saturated fat (23.8 ± 4.1 vs. 10.5 ± 5.2), monounsaturated fat (24.4 ± 3.7 vs. 11.0 ± 5.1), and polyunsaturated fat (8.6 ± 2.7 vs. 5.5 ± 2.9); and less dietary restraint (10.8 ± 2.9 vs. 14.9 ± 3.9) compared with other Registry members. These differences persisted over time. No differences in 3-year weight regain were observed between low-carbohydrate dieters and other Registry members in intent-to-treat analyses (7.0 ± 7.1 vs. 5.7 ± 8.7 kg).
Discussion: It is possible to achieve and maintain long-term weight loss using a low-carbohydrate diet. The long-term health effects of weight loss associated with a high-fat diet and low activity level merits further investigation.