Sex differences in the secular change in waist circumference relative to BMI in five countries from 1997 to 2020
Authors' conclusion
Disease risk associated with visceral fat is potentially underestimated by national surveillance efforts that quantify only secular changes in BMI.
Study context
- Population
- Adults aged 25 to 64 years in the United States, Mexico, Chile, Peru and England, 1997–2020; US data stratified by race and ethnicity
- Exposure
- Women vs men: secular change in waist circumference (WC) relative to BMI
- Outcome
- Secular changes in WC relative to BMI by sex
- Follow-up
- 1997 to 2020
Methodological detailsnational surveys 1997–2020, quantile regression
- National surveys 1997–2020
- Quantile regression
Main finding
As reported in the abstract
Secular change in WC relative to BMI
- Increases at the 50th and 75th WC percentiles relative to BMI were more pronounced in women than in men
- Larger increases in US non-Hispanic White individuals and in England
- In men, increases in WC independent of BMI most evident in Mexico
Observational data: associations, not effects.
Further findings
Secular change across BMI and WC distributions
- BMI and WC (except for Peru) showed larger secular increases at the upper tails of the distributions in both sexes
Original publication
Sex differences in the secular change in waist circumference relative to BMI in five countries from 1997 to 2020. Obesity (Silver Spring). Published 24 September 2024. doi:10.
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