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Testing allostatic load factor structures among adolescents: A structural equation modeling approach.

Amanda L King1, Mauricio Garnier-Villarreal1, Amanda M Simanek2

  • 1Marquette University, College of Nursing, Milwaukee, Wisconsin.

American Journal of Human Biology : the Official Journal of the Human Biology Council
|April 26, 2019
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Summary
This summary is machine-generated.

Allostatic load (AL) in adolescents is best measured with a single factor structure. Metabolic indicators like BMI and waist circumference are key early signs of elevated AL.

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Area of Science:

  • Adolescent Health
  • Biomarkers
  • Chronic Disease Risk

Background:

  • Allostatic load (AL) quantifies cumulative biological stress, linked to chronic disease.
  • Operationalizing AL in adolescents requires further research and consensus.
  • Understanding AL in youth is crucial for early intervention and disease prevention.

Purpose of the Study:

  • To evaluate multiple factor structures for measuring allostatic load in adolescents.
  • To identify the optimal measurement approach for allostatic load in this population.
  • To inform future research on adolescent allostatic load assessment.

Main Methods:

  • Analysis of 1900 adolescents (aged 12-18) from NHANES (2003-2010).
  • Inclusion of cardiovascular, metabolic, and immune biomarkers as AL indicators.
  • Utilized structural equation modeling to test five hypothesized AL factor structures.

Main Results:

  • A unidimensional factor structure best represented allostatic load in adolescents.
  • Metabolic dysregulation indicators, particularly BMI and waist circumference, showed the highest factor loadings.
  • Elevated allostatic load correlated with increased values in most indicator biomarkers.

Conclusions:

  • Body Mass Index (BMI) and waist circumference are significant early indicators of allostatic load in adolescents.
  • Future research should incorporate neuroendocrine biomarkers for a more comprehensive AL assessment in youth.
  • This study provides a validated approach for measuring allostatic load in adolescent populations.