Validation of self-reported height and weight in a large, nationwide cohort of U.S. adults

Height and weight are commonly used metrics in epidemiologic studies to calculate body mass index. Large cohort studies generally assess height and weight by self-report rather than by measurement. The aim of this study was to assess the validity of self-reported height and weight in the Cancer Prev...

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Veröffentlicht in:PloS one Jg. 15; H. 4; S. e0231229
Hauptverfasser: Hodge, James M., Shah, Roma, McCullough, Marjorie L., Gapstur, Susan M., Patel, Alpa V.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: United States Public Library of Science 13.04.2020
Public Library of Science (PLoS)
Schlagworte:
Adult
Aged
Agreements
Anthropometry
Biology and Life Sciences
Body Height
Body mass
Body Mass Index
Body measurements
Body size
Body Weight
Cancer
Cohort analysis
Cohort Studies
Disease prevention
Education
Enrollments
Epidemiology
Ethnicity
Female
Humans
Male
Mathematical analysis
Medicine and Health Sciences
Men
Middle Aged
Minority & ethnic groups
Obesity
Overweight
People and Places
Race
Research and Analysis Methods
Self Report - statistics & numerical data
Sociodemographics
Studies
Underweight
United States
Women
United States
Atlanta Georgia
United States > US
ISSN:1932-6203, 1932-6203
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Zusammenfassung:Height and weight are commonly used metrics in epidemiologic studies to calculate body mass index. Large cohort studies generally assess height and weight by self-report rather than by measurement. The aim of this study was to assess the validity of self-reported height and weight in the Cancer Prevention Study-3 (CPS-3), a large, nationwide cohort recruited by the American Cancer Society between 2006-2013. In a subset of CPS-3 participants (n = 2,643), weight and height were assessed at the same time via self-report and in-person measurement. BMI was calculated and classified underweight (<18.5 kg/m2), normal (18.5-<25 kg/m2), overweight (25-<30 kg/m2), or obese (≥30 kg/m2). Self-reported and measured height, weight, and BMI were compared using mean differences and Bland-Altman plots and examined by sex, race/ethnicity, education, marital status, age group, and BMI category. Men and women slightly overreported height and underreported weight. BMI calculated from self-reported data was lower than for measured data for men and women. In analyses stratified by race/ethnicity, age, education, and marital status, older women and women with less than a college degree overreported height. Approximately 13% of men and 7% of women were misclassified into a lower self-reported BMI category, with misclassification of BMI being greatest in obese men and women. Overall, height, weight, and BMI were well-reported, and this study further suggests that BMI computed from self-reported weight and height is a valid measure in men and women across different socio-demographic groups.
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Competing Interests: The authors have declared that no competing interests exist.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0231229