A Systematic Review and Meta-Analysis of the Effect of Lifestyle Modification on Metabolic Control in Overweight

Angela Shin-Yu Lien1,2, Jia-Ling Tsai1,3, Jian-Tao Lee1

  • 1School of Nursing, College of Medicine, Chang Gung University, Taoyuan, Taiwan.

Insights

Lifestyle modification programs significantly reduced fasting plasma glucose (FPG) in overweight children. This intervention shows promise for preventing type 2 diabetes mellitus in pediatric populations.

Area of Science:

  • Pediatrics
  • Endocrinology
  • Metabolic Diseases

Background:

  • Childhood obesity is a significant risk factor for type 2 diabetes mellitus.
  • Early intervention is crucial for managing metabolic health in overweight children.

Purpose of the Study:

  • To evaluate the efficacy of lifestyle modification programs in reducing fasting plasma glucose (FPG) levels among overweight children.
  • To assess the impact on secondary outcomes such as BMI z-score and insulin levels.

Main Methods:

  • Systematic review and meta-analysis of eight randomized controlled trials (RCTs) including 3923 overweight/obese children.
  • Studies involved lifestyle modification interventions exceeding six months.
  • Data were extracted from six electronic databases and manual searches.

Main Results:

  • Lifestyle modification significantly decreased FPG levels by 1.3 mg/dL compared to control groups.
  • Significant reductions were observed in BMI z-score (0.16 units) and insulin levels (2.4 mU/L).
  • Metaregression indicated a positive association between follow-up duration and FPG, BMI, and insulin levels, suggesting six months as a suitable duration.

Conclusions:

  • Lifestyle modification programs appear effective in lowering FPG levels in overweight/obese children.
  • These programs may serve as a complementary approach for preventing type 2 diabetes mellitus.
  • Further high-quality RCTs with extended follow-up are recommended to confirm long-term effects.

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