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Gender-related differences in the relationships between blood pressure, age, and body size in prepubertal children

Gianvincenzo Barba1, Carmela Casullo, Marika Dello Russo

  • 1Epidemiology and Population Genetics, Institute of Food Sciences, CNR, Avellino, Italy. gbarba@isa.cnr.it

American Journal of Hypertension
|July 12, 2008
PubMed

Insights

In children aged 6-11, blood pressure (BP) increases with age, but this association is independent of body size only in girls. This finding highlights gender-specific patterns in pediatric BP development.

Area of Science:

  • Pediatric Cardiology
  • Public Health
  • Child Development

Background:

  • Blood pressure (BP) increases with age in children and adults.
  • Body size is a primary driver of age-related BP changes in pediatric populations.
  • Understanding these relationships is crucial for identifying early cardiovascular risk factors.

Purpose of the Study:

  • To investigate the independent relationships between age, gender, body size, and BP in children.
  • To determine if age-related BP increases in children are solely explained by body size and adiposity.

Main Methods:

  • Analysis of data from 4,514 prepubertal children (aged 6-11 years) in southern Italy.
  • Exclusion of girls who had reached menarche.
  • Standardized measurements of weight, height, waist circumference, and BP.

Main Results:

  • Both systolic and diastolic BP increased significantly with age in both boys and girls.
  • After adjusting for body size and adiposity, BP still increased with age in girls but not in boys.
  • This age-BP association in girls was not apparent in children older than 10 years.

Conclusions:

  • In prepubertal girls aged 6-11, age is a significant predictor of BP, independent of body size and adiposity.
  • This independent association between age and BP was not observed in prepubertal boys.
  • Findings suggest gender-specific physiological mechanisms influencing BP in prepubertal children.
Abstract

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