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Related Experiment Videos

Weight control in the physician's office.

J M Ashley1, S T St Jeor, J P Schrage

  • 1University of Nevada School of Medicine, Nutrition Education and Research Program, Redfield Building MS 153, Reno, NV 89557, USA. jashley@scs.unr.edu

Archives of Internal Medicine
|July 24, 2001
PubMed
Summary
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Meal replacements integrated into lifestyle interventions effectively support weight control for overweight women. This approach, including in primary care settings, aids in reducing chronic disease risk factors.

Area of Science:

  • Obesity research
  • Primary care medicine
  • Nutritional science

Background:

  • Lifestyle modifications (diet, behavior, physical activity) are crucial for weight management.
  • Meal replacements (1-2 daily) can supplement traditional interventions for overweight individuals.

Purpose of the Study:

  • To evaluate the efficacy of meal replacements within lifestyle interventions for weight reduction.
  • To compare different delivery methods of lifestyle interventions: dietitian-led groups versus primary care office-based interventions.

Main Methods:

  • 113 overweight premenopausal women participated in a 1-year weight-reduction study.
  • Participants were randomized into three groups: dietitian-led intervention, dietitian-led intervention with meal replacements, and primary care intervention with meal replacements.

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Main Results:

  • Primary care intervention with meal replacements was as effective as dietitian-led intervention without meal replacements (4.3% vs 4.1% weight loss).
  • Dietitian-led intervention with meal replacements resulted in significantly greater weight loss (9.1% vs 4.1%).
  • Weight loss of 5-10% significantly reduced body fat, BMI, waist circumference, and improved metabolic markers; 10%+ loss further improved blood pressure and triglycerides.

Conclusions:

  • Lifestyle interventions incorporating meal replacements are effective for weight control.
  • These interventions can be successfully implemented in both dietitian-led and primary care office settings.
  • Achieving significant weight loss can lead to substantial improvements in chronic disease risk factors.