Key result
Study compares BMI-based obesity prevalence against waist circumference and DEXA assessments in US adults.
Why the study?
To compare obesity prevalence assessed by body mass index alone versus when excess adiposity is confirmed by waist circumference or dual-energy x-ray absorptiometry.
Does the estimated prevalence of obesity differ when assessed by BMI alone compared to confirmation by waist circumference or dual-energy x-ray absorptiometry in US adults?
Does the estimated prevalence of obesity differ when assessed by BMI alone compared to confirmation by waist circumference or dual-energy x-ray absorptiometry in US adults?
This study evaluates how confirming excess adiposity with waist circumference or DEXA alters the estimated prevalence of obesity compared to using BMI alone in US adults.
Answers are grounded in this paper and cite their sources.
Obesity prevalence estimates differ by measurement method; leaves open whether confirmatory adiposity testing should supplement BMI in practice or research.
This study compares the prevalence of obesity (assessed by body mass index only) vs obesity prevalence when excess adiposity is confirmed by waist circumference measurement or dual-energy x-ray absorptiometry in a nationally representative sample of US adults.
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Aryee et al. (2025) studied this question. Obesity prevalence assessed by body mass index alone was compared to prevalence confirmed by waist circumference or dual-energy x-ray absorptiometry in US adults.
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