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Related Experiment Video

Updated: Jun 25, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

Ethnic differences in self-reported and measured obesity.

William D Johnson¹, Claude Bouchard, Robert L Newton

¹Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, Louisiana, USA. William.Johnson@pbrc.edu

Obesity (Silver Spring, Md.)

|February 25, 2009

Summary

Ethnic and gender differences exist in how accurately people report their height and weight. This self-reported data often underestimates obesity, particularly in African American women and European American men.

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Last Updated: Jun 25, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study

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Published on: February 2, 2017

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Published on: March 7, 2019

Area of Science:

Public Health and Epidemiology
Anthropometry and Body Composition
Health Disparities Research

Background:

Self-reported height and weight are commonly used to assess obesity prevalence.
Ethnic and gender-specific differences in reporting accuracy are not well understood.
Accurate obesity classification is crucial for public health surveillance and interventions.

Purpose of the Study:

To investigate disparities in height and weight misreporting between African Americans (AAs) and European Americans (EAs).
To determine how these misreporting errors affect obesity prevalence estimates across different ethnic and gender groups.

Main Methods:

Utilized data from the Pennington Center Longitudinal Study (PCLS).
Collected self-reported and measured height and weight from 15,656 adults (aged 18-65).
Analyzed misreporting patterns and their impact on obesity prevalence by ethnicity and gender.

Main Results:

All groups increasingly misreported height and weight as measured values increased.
African American women misreported more than European American women; European American men misreported weight more than African American men.
Obesity was underestimated in self-reported data, with greater underestimation in African American women and European American men compared to their counterparts.

Conclusions:

Self-reported height and weight lead to underestimation of obesity prevalence.
The extent of this underestimation varies significantly by ethnicity and gender.
Adjusting for measured obesity prevalence revealed greater underestimation disparities in European American men compared to African American men.