Study finds body fat percentage predicts mortality better than BMI in young adults
By
Arch G. Mainous
Summary
This study compares Body Mass Index (BMI) versus Body Fat Percentage (BF%) as predictors of 15-year mortality risk in adults aged 20-49, using data from the nationally representative NHANES cohort. Results show that BF% and waist circumference (WC) are significantly associated with all-cause and heart disease mortality, while BMI shows no statistically significant relationship with all-cause mortality after adjustment. The authors conclude that BF% is a better predictor of mortality risk in young adults than BMI, suggesting a shift toward using BF% for risk stratification.
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Key quotes
· 3 pulledBody fat percentage is a better predictor of 15-year mortality risk factor in young adults than BMI.
Body mass index has no statistically significant relationship with all-cause mortality.
A move to using BF% rather than BMI may change how we measure body composition for risk stratification.
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