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Prospective associations of age at complementary feeding and exclusive breastfeeding duration with body mass index at

O Sirkka1,2, T Vrijkotte3, J Halberstadt1

  • 1Department of Health Sciences, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, The Netherlands.

Pediatric Obesity
|April 26, 2018
PubMed

Insights

Infant feeding practices like complementary feeding age and exclusive breastfeeding duration are linked to lower childhood BMI-SDS. These associations vary significantly based on maternal characteristics, indicating a need for tailored overweight prevention strategies.

Area of Science:

  • Pediatrics
  • Public Health
  • Epidemiology

Background:

  • Childhood overweight and obesity pose risks for adult obesity.
  • Maternal characteristics (ethnicity, education, BMI, neighborhood) influence childhood overweight risk.
  • Infant feeding practices vary among mothers with different characteristics, potentially altering the impact on childhood overweight.

Purpose of the Study:

  • To investigate the associations between the timing of complementary feeding and the duration of exclusive breastfeeding with Body Mass Index-standard deviation score (BMI-SDS) at 5-6 years of age.
  • To examine these associations within specific risk groups defined by maternal characteristics.

Main Methods:

  • Utilized data from the population-based Amsterdam Born Children and their Development study (n=4495).
  • Categorized children into risk groups based on maternal ethnicity, education, pre-pregnancy BMI, and neighborhood.
  • Employed linear and logistic regression analyses to assess associations.

Main Results:

  • Later complementary feeding (after 5 months) was associated with lower BMI-SDS in children of Dutch ethnicity, medium-level education, normal pre-pregnancy BMI, and those in high-risk neighborhoods.
  • Extended exclusive breastfeeding (≥6 months) was linked to lower BMI-SDS in children of mothers with medium-level education, normal pre-pregnancy BMI, and those in medium- or high-risk neighborhoods.

Conclusions:

  • Infant feeding practices show varying associations with childhood BMI depending on maternal risk group.
  • Overweight prevention strategies should be individualized and tailored to specific maternal and child risk profiles.
Abstract

Keywords:
BMIBreastfeedingchildhood overweightcomplementary feedingweaning

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