Differences in the U.S. Trends in the Prevalence of Obesity Based on Body Mass Index and Skinfold Thickness

Richard V. Burkhauser, John Cawley, Maximilian D. Schmeiser

NBER Working Paper No. 15005
Issued in May 2009
NBER Program(s):Children, Health Care, Health Economics

There are several ways to measure fatness and obesity, each with its own strengths and weaknesses. The primary measure for tracking the prevalence of obesity has historically been body mass index (BMI). This paper compares long-run trends in the prevalence of obesity when obesity is defined using skinfold thickness instead of body mass index (BMI), using data from the full series of U.S. National Health Examination Surveys. The results indicate that when one uses skinfold thicknesses rather than BMI to define obesity, the rise in the prevalence of obesity is detectable ten to twenty years earlier. This underscores the importance of examining multiple measures of fatness when monitoring or otherwise studying obesity.

Acknowledgments

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Document Object Identifier (DOI): 10.3386/w15005

Published: Burkhauser, Richard V., John Cawley, and Maximilian D. Schmeiser. 2009. “The Timing of the Rise in U.S. Obesity Varies With Measure of Fatness.” Economics and Human Biology, 7(3): 307-318.

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