Moderate weight loss: a self-directed protocol for women.

Area of Science:

• Nutrition and Dietetics
• Exercise Physiology
• Obesity Research

Background:

• Overweight and obesity are significant public health concerns, particularly among women.
• Hyperlipidemia often coexists with overweight/obesity, increasing cardiovascular risk.
• Effective and accessible weight loss interventions are needed for clinical settings.

Purpose of the Study:

• To evaluate a self-directed diet and physical activity program for moderate weight loss in overweight or obese hyperlipidemic women.
• To assess the efficacy of a 20% energy intake reduction and 10% energy expenditure increase.
• To determine the program's suitability for clinical application.

Main Methods:

• A 20-week intervention involving 35 overweight/obese hyperlipidemic women.
• Dietary intervention: 20% decrease in energy intake (50-60% carbohydrates, 20% protein, 20-30% fat).
• Physical activity intervention: 10% increase in energy expenditure, prescribed by a personal trainer, with motivational support.

Main Results:

• Participants achieved an average weight loss of 11.7 +/- 2.5 kg (p<0.001).
• Weight loss followed a linear pattern throughout the study (p<0.001).
• Average weekly weight loss was 0.59 +/- 0.55 kg.

Conclusions:

• The self-directed program effectively produced moderate weight loss comparable to more controlled interventions.
• The combination of structured diet, physical activity, and motivational strategies is key.
• The program's low cost, ease of use, and success suggest clinical utility.