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Body adiposity index and all-cause and cardiovascular disease mortality in men

Diego Moliner-Urdiales1, Enrique G Artero, Duck-Chul Lee

  • 1Department of Education, University Jaume I, Castellón, Spain.

Obesity (Silver Spring, Md.)
|March 21, 2013
PubMed

Insights

Body adiposity index (BAI) did not predict mortality risk better than BMI, waist circumference, or body fat percentage in men. These adiposity measures showed associations with mortality, but significance diminished after accounting for fitness.

Area of Science:

  • Cardiovascular Health
  • Obesity Research
  • Mortality Studies

Background:

  • Adiposity measures are crucial for assessing health risks.
  • The Body Adiposity Index (BAI) is a newer metric, and its predictive power for mortality requires further evaluation.
  • Traditional measures like Body Mass Index (BMI), waist circumference, and body fat percentage are established predictors.

Purpose of the Study:

  • To compare the association of the Body Adiposity Index (BAI) with all-cause and cardiovascular disease (CVD) mortality risk.
  • To determine if BAI is a superior predictor of mortality compared to BMI, waist circumference, and percentage of body fat (%BF).

Main Methods:

  • Analysis of 19,756 adult men from the Aerobics Centre Longitudinal Study (1988-2002).
  • Mortality data (all-cause and CVD) collected up to December 31, 2003.
  • Hazard ratios (HRs) and 95% confidence intervals (95% CIs) calculated for various adiposity measures.

Main Results:

  • High BMI, waist circumference, and %BF were associated with increased all-cause mortality risk (HRs > 1.36).
  • BAI was not significantly associated with increased all-cause mortality risk (HR = 1.28).
  • All adiposity measures, including BAI, showed associations with CVD mortality, but most lost significance after adjusting for confounders like cardiorespiratory fitness.

Conclusions:

  • The Body Adiposity Index (BAI) is not a better predictor of all-cause and CVD mortality than BMI, waist circumference, or %BF.
  • Cardiorespiratory fitness is an important confounder influencing the association between adiposity and mortality.
  • Traditional adiposity measures, when adjusted for fitness, may not independently predict mortality as strongly as previously thought.
Abstract

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