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The relationship between resting blood pressure, body mass index and lean body mass index in British children

Michael J Duncan1, Luke James, Layla Griffiths

  • 1Department of Biomolecular and Sports Science, Coventry University, Coventry, UK. michael.duncan@coventry.ac.uk

Annals of Human Biology
|January 29, 2011
PubMed

Insights

Childhood overweight and obesity are linked to higher blood pressure (BP). Lean body mass index (LBMI) is a more reliable indicator than body mass index (BMI) for assessing BP in youth.

Area of Science:

  • Pediatric Health
  • Cardiovascular Health
  • Anthropometry

Background:

  • Childhood elevated blood pressure (BP) is associated with overweight and obesity.
  • Lean body mass index (LBMI) may be a more effective metric than body mass index (BMI) for assessing pediatric weight status and health.

Purpose of the Study:

  • To investigate the relationship between resting BP and weight status in youth.
  • To compare the predictive value of BMI and LBMI on BP in children and adolescents.

Main Methods:

  • Resting BP, height, and body mass were measured in 384 boys and 277 girls aged 11-14 years.
  • Statistical analysis was performed to assess the association between BP and weight status indicators.

Main Results:

  • Systolic and diastolic BP were significantly higher in overweight and obese children compared to normal-weight children.
  • Both BMI and LBMI predicted SBP and DBP, with LBMI demonstrating a more normal distribution and stronger predictive power.
  • Overweight and obesity are associated with elevated BP in British youth.

Conclusions:

  • Higher resting BP is linked to overweight and obesity in British children.
  • LBMI is recommended over BMI for evaluating the impact of weight status on BP in pediatric populations.
Abstract

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