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Predictors of inflammation in U.S. children aged 3-16 years

Jennifer Beam Dowd1, Anna Zajacova, Allison E Aiello

  • 1Department of Epidemiology and Biostatistics, Hunter College, School of Public Health, City University of New York, New York, New York 10010, USA. jdowd@hunter.cuny.edu

American Journal of Preventive Medicine
|September 15, 2010
PubMed

Insights

Low-grade inflammation, measured by C-reactive protein (CRP), is linked to higher adiposity and socioeconomic factors in U.S. children. These findings highlight potential risks for chronic diseases later in life.

Area of Science:

  • Pediatric Health
  • Inflammation Research
  • Public Health

Background:

  • Correlates of low-grade inflammation in U.S. children are not well understood.
  • Systemic inflammation, indicated by C-reactive protein (CRP), is a growing concern in pediatric populations.
  • Understanding these correlates is crucial for early intervention and disease prevention.

Purpose of the Study:

  • To identify factors associated with elevated C-reactive protein (CRP) levels in U.S. children.
  • To investigate whether socioeconomic factors contribute to differences in CRP levels during childhood.
  • To examine the relationship between adiposity, illness, and CRP in a pediatric cohort.

Main Methods:

  • Analysis of data from 6004 U.S. children aged 3-16 years (NHANES, 1999-2004).
  • Utilized Tobit regression models to assess associations between predictors and high-sensitivity CRP.
  • Key predictors included BMI-for-age, body fat measures, chronic infections, environmental tobacco exposure, low birth weight, and sociodemographics.

Main Results:

  • Children with lower family income exhibited higher CRP levels, primarily explained by adiposity and recent illness.
  • Mexican-American children showed higher CRP levels compared to white and black children, independent of measured physical risk factors.
  • Adiposity was significantly associated with increased CRP concentrations in U.S. children.

Conclusions:

  • Increased adiposity is a significant correlate of higher CRP levels in U.S. children (3-16 years).
  • Socioeconomic and racial/ethnic disparities in systemic inflammation exist within the U.S. pediatric population.
  • Childhood obesity and low-grade inflammation may predispose children to chronic diseases later in life.
Abstract

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