Obesity

Epidemiological associations between obesity, metabolism and disease risk: are body mass index and waist-hip ratio all you need?

Int J Obes (Lond)Published Cross-sectional and cohort study

Authors' conclusion

We did not observe sufficient benefits from the more recent body adiposity formulas over body mass index, waist-hip or waist-height ratio to warrant their widespread application in cardiometabolic epidemiology.

Study context

Population
Northern Finland Birth Cohort 1966 at the 46-year visit (2511 women, 1908 men) and UK Biobank participants at initial visit (244,947 women, 205,949 men)two cohorts
Exposure
Body mass index (BMI) and waist-hip ratio (WHR) vs newer adiposity formulas for metabolic profile and cardiometabolic disease prediction
Outcome
Prediction of diabetes (c-statistic)
Methodological detailssex-adjusted Spearman correlations, age- and sex-adjusted logistic and Cox regression, register linkage
  • Sex-adjusted Spearman correlations
  • Age- and sex-adjusted logistic and Cox regression
  • Register linkage

Main finding

As reported in the abstract

BMI & WHR

0.8012

c-statistic · CI 0.7963–0.8061

Waist-height ratio (WHER)

0.7951

c-statistic · CI 0.7903–0.8000

Theoretical maximum c-statistic for diabetes
0.8047

Observational data: associations, not effects.

Original publication

Epidemiological associations between obesity, metabolism and disease risk: are body mass index and waist-hip ratio all you need? Int J Obes (Lond). Published 19 September 2025. doi:10.1038/s41366-025-01895-2

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