Agreement between self-reported and measured weight, height, and derived body mass index (BMI) by educational attainment across racial and ethnic groups of US women
Authors' conclusion
Despite higher measurement error in weight among Black and Latina participants with ≥college education, self-reported and objectively measured BMI categories showed high agreement across groups. Results support the utility of self-reported data that reliably estimate BMI category across socioeconomic, racial, and ethnic groups in this cohort.
Study context
- Population
- Self-identified White, Black and Latina US women enrolled in the Sister Study (2003–2009); mean age 56 ± 9.0 years; 84% White, 10% Black, 5% Latina; 49% college-educated
- Participants
- 18,638 participants
- Exposure
- Some college/vocational school or ≥college vs ≤high school education, within racial and ethnic groups
- Outcome
- Agreement (mean differences) between self-reported and objectively measured weight, height and derived BMI
Methodological detailspopulation-based cohort, adjusted linear and multinomial logistic regression, Bland-Altman plots, weighted kappa
- Population-based cohort
- Adjusted linear and multinomial logistic regression
- Bland-Altman plots
- Weighted kappa
Main finding
As reported in the abstract
Agreement between self-reported and measured weight, height and BMI
Categorical BMI agreement consistently high, minor variation by race/ethnicity and education (weighted k range)
0.92-0.93
Observational data: associations, not effects.
Original publication
Agreement between self-reported and measured weight, height, and derived BMI by educational attainment across racial and ethnic groups of US women. Int J Obes (Lond). Published 14 April 2025. doi:10.
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