Cited by 171Obesity, Physical Activity, DietSurvey Methodology and NonresponseStatistical Methods in Epidemiology

Trends in national and state-level obesity in the USA after correction for self-report bias: analysis of health surveys.

Ezzati, Majid, Martin, Hilarie, Skjold, Suzanne, Hoorn, Stephen Vander, Murray, Christopher J L·2006·Journal of the Royal Society of Medicine

Abstract

Objectives: To quantify population-level bias in self-reported weight and height as a function of age, sex, and the mode of self-report, and to estimate unbiased trends in national and state level obesity in the USA. Design: Statistical analysis of repeated cross-sectional health examination surveys (the National Health and Nutrition Examination Survey [NHANES]) and health surveys (the Behavioral Risk Factor Surveillance System [BRFSS]) in the USA. Setting: The 50 states of the USA and the District of Columbia. Results: In the USA, on average, women underreported their weight, but men did not. Young and middle-aged (565 years) adult men over-reported their height more than women of the same age. In older age groups, over-reporting of height was similar in men and women. Population-level bias in self-reported weight was larger in telephone interviews (BRFSS) than in-person interviews (NHANES). Except in older adults, height was over-reported more often in telephone interviews than in-person interviews. Using corrected weight and height in the year 2000, Mississippi (31%) and Texas (30%) had the highest prevalence of obesity for men; Texas (37%), Louisiana (37%), Mississippi (37%), District of Columbia (37%), Alabama (37%), and South Carolina (36%) for women. Conclusions: Population-level bias in self-reported weight and height is larger in telephone interviews than in-person interviews. Telephone interviews are a low-cost method for regular, nationally- and sub-nationally representative monitoring of obesity. It is possible to obtain corrected estimates of trends and geographical distributions of obesity from telephone interviews by using systematic analysis which measure weight and height from an independent sample of the same population.

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Crossref · 10.1177/014107680609900517

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Authors
Ezzati, M., Martin, H., Skjold, S., Hoorn, S. V., & Murray, C. J. L.
Affiliations
  • Harvard University (US)
  • Initiative for Global Health, Harvard University, Cambridge, USA
  • Clinical Trials Research Unit, University of Auckland, New Zealand
  • Harvard School of Public Health, Boston
Corresponding author
Ezzati, Majid
Venue
Journal of the Royal Society of Medicine
Published
2006-05
Volume
99
Issue
5
Pages
250-257
ISSN
  • 0141-0768 (ISSN-L)
  • 1758-1095
OpenAlex
W4322694598
Cited by
170
References
14
Citations by year
2024: 1 · 2023: 1 · 2022: 1 · 2021: 4 · 2018: 2 · 2017: 4 · 2016: 17 · 2015: 16 · 2014: 21 · 2013: 15 · 2012: 19
FWCI
11.33
Type
journal article
Language
en
Open access
closed
Locations
Journal of the Royal Society of Medicine (publishedVersion)
Funders
  • Centers for Disease Control and Prevention
  • National Institute on Aging
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
  • Social Sciences › Sociology and Political Science › Survey Methodology and Nonresponse
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Epidemiology
Keywords
obesity prevalence, self-report bias, self-reported weight, self-reported height, measurement error correction, telephone interviews, face-to-face interviews, sex differences, age differences, obesity trends, NHANES, Behavioral Risk Factor Surveillance System, obesity surveillance

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