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Longitudinal changes in infant body composition: association with childhood obesity

M B Koontz1, D D Gunzler, L Presley

  • 1Department of Pediatrics, Rainbow Babies & Children's Hospital, Case Western Reserve University, Cleveland, OH, USA.

Pediatric Obesity
|October 1, 2014
PubMed

Insights

Rapid infant weight gain, particularly fat mass gain, increases the risk of childhood overweight and obesity. This study highlights early body composition changes as key predictors of later weight status.

Area of Science:

  • Pediatric health
  • Obesity research
  • Body composition analysis

Background:

  • Infant rapid weight gain is a known risk factor for adult obesity.
  • Understanding early predictors of childhood obesity is crucial for public health.

Purpose of the Study:

  • To examine the association between infant body composition changes and mid-childhood overweight/obesity.
  • To assess the role of total weight, fat mass, and lean mass gain in infancy.

Main Methods:

  • Fifty-three infants were monitored from birth through mid-childhood.
  • Total body electrical conductivity assessed body composition.
  • Logistic regression analyzed the link between infant weight gain rates and later overweight/obesity (BMI ≥85th percentile).

Main Results:

  • 30% of children were overweight/obese by mid-childhood.
  • Rapid weight gain from 0-4 months doubled the odds of later overweight/obesity.
  • Rapid fat mass gain from 0-8 months increased odds eightfold.

Conclusions:

  • Early rapid weight gain, especially in fat mass, during infancy is a significant predictor of mid-childhood overweight/obesity.
  • Infant body composition changes are critical indicators for long-term weight management strategies.
Abstract

Keywords:
Infant fat massinfant weight gainperinatal programming

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