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High birth weight and overweight or obesity among Chinese children 3-6 years old

Xiaoyan Zhang1, Enqing Liu, Zhen Tian

  • 1Tianjin Women and Children's Health Center, Tianjin, China.

Preventive Medicine
|July 28, 2009
PubMed

Insights

Higher birth weight in Chinese children is linked to increased risk of childhood overweight and obesity. Birth weights over 3000g significantly predict these conditions in children aged 3-6 years.

Area of Science:

  • Pediatric Endocrinology
  • Public Health Nutrition
  • Childhood Obesity Research

Background:

  • Childhood overweight and obesity are significant global health concerns.
  • Birth weight is a potential early life predictor of later health outcomes.
  • Understanding the association between birth weight and childhood obesity is crucial for prevention strategies.

Purpose of the Study:

  • To examine the relationship between various birth weight categories and the risk of overweight and obesity in Chinese children aged 3-6 years.
  • To identify specific birth weight thresholds associated with increased risk of pediatric obesity.

Main Methods:

  • Retrospective longitudinal study involving 15,852 children aged 3-6 years in Tianjin, China.
  • Data collected on birth weight, anthropometrics (height, weight), and various confounding factors.
  • Statistical analysis adjusted for factors including gestational age, parental characteristics, and socioeconomic status.

Main Results:

  • Children born with birth weights below 2500g showed no increased risk of overweight/obesity compared to the reference group (2500-2999g).
  • Significantly increased odds of overweight/obesity were observed for birth weights of 3000-3499g (OR 1.58), 3500-3999g (OR 2.09), and >4000g (OR 3.14).
  • Higher birth weight categories demonstrated a dose-response relationship with elevated risk.

Conclusions:

  • Birth weight exceeding 3000g is a significant predictor of overweight and obesity in Chinese children aged 3-6 years.
  • These findings highlight the importance of monitoring birth weight as an early indicator for potential childhood obesity.
Abstract

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