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Birthweight and fasting glucose and insulin levels: results from the Aboriginal Birth Cohort Study

Susan M Sayers1, Susan A Mott, Kay D Mann

  • 1Menzies School of Health Research, Darwin, NT, Australia. sue.sayers@menzies.edu.au

The Medical Journal of Australia
|July 25, 2013
PubMed

Insights

Birthweight was linked to higher fasting glucose in Aboriginal adolescents, but not insulin. Low birthweight combined with later overweight was uncommon, suggesting a lower risk for type 2 diabetes in this group.

Area of Science:

  • Endocrinology
  • Public Health
  • Pediatrics

Background:

  • Type 2 diabetes risk is influenced by early life factors and current body composition.
  • Understanding these relationships in Indigenous populations is crucial for targeted health interventions.

Purpose of the Study:

  • To investigate associations between birthweight, current anthropometrics, and metabolic markers (fasting glucose and insulin) in Aboriginal adolescents.
  • To assess the prevalence of high-risk combinations for type 2 diabetes.

Main Methods:

  • A longitudinal prospective study followed an Aboriginal birth cohort from Northern Territory, Australia.
  • Data collected included birthweight, current size measurements, and fasting glucose and insulin levels.
  • Analyses adjusted for gestational age, sex, and age.

Main Results:

  • Birthweight showed a positive association with fasting glucose levels.
  • Current weight was positively associated with both fasting insulin and glucose levels.
  • Current height was positively associated with insulin levels.

Conclusions:

  • Birthweight is associated with fasting glucose but not fasting insulin levels in this cohort.
  • The combination of low birthweight or fetal growth restriction with later overweight/obesity was rare.
  • This suggests a potentially lower risk for type 2 diabetes development related to these specific factors in this adolescent Aboriginal population.
Abstract

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