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Updated: May 14, 2026

04:48
Control of Eating Behavior Using a Novel Feedback System
Published on: May 8, 2018
A pilot Internet-based behavioral weight loss intervention with or without commercially available portion-controlled
Kelly H Webber1, Stephanie A Rose
1Department of Dietetics and Human Nutrition, University of Kentucky, Lexington, Kentucky, USA.
Obesity (Silver Spring, Md.)
|February 15, 2013
Summary
Adding portion-controlled diets to online weight loss programs may improve health indicators. This combination showed greater improvements in blood glucose and LDL cholesterol compared to online programs alone.
Area of Science:
- Obesity research
- Behavioral science
- Metabolic health
Background:
- Weight management is a significant public health challenge.
- Internet-based behavioral programs offer scalable solutions.
- Integrating dietary interventions can potentially enhance outcomes.
Purpose of the Study:
- To assess the short-term effects of portion-controlled diets combined with an internet behavioral weight loss program.
- To evaluate impacts on body weight, blood cholesterol, and blood glucose levels.
Main Methods:
- A 12-week randomized controlled trial involving 50 participants (mean BMI 35.1 kg/m²).
- Two groups: Internet-alone behavioral program vs. Internet program plus portion-controlled diet (PCD).
- Intent-to-treat analysis was performed.
Main Results:
- The Internet + PCD group showed a mean weight change of -5.7 kg versus -4.1 kg in the Internet-alone group (P=0.26).
- Significant improvements in blood glucose (P=0.05) and LDL cholesterol (P=0.04) were observed in the Internet + PCD group.
- The combination therapy demonstrated enhanced metabolic improvements.
Conclusions:
- Portion-controlled diets may augment internet-based weight loss programs.
- This combined approach shows potential short-term clinical benefits for weight management and metabolic health.
- Further research into long-term efficacy is warranted.
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