Comparison of race‐ and ethnicity‐specific BMI cutoffs for categorizing obesity severity: a multicountry prospective cohort study
Authors' conclusion
Establishing a race- and ethnicity-tailored classification of the three classes of obesity is urgently needed.
Study context
- Population
- Participants without T2D from the UK Biobank, the China Health and Nutrition Survey and the Singapore Chinese Health Study5.2% developed T2D
- Participants
- 507,763 participants
- Exposure
- Race- and ethnicity-specific BMI cutoffs equivalent to White adults' T2D incidence at BMI 30.0, 35.0 and 40.0 kg/m²
- Outcome
- BMI cutoffs for equivalent incidence rates of T2D at BMI 30.0, 35.0 and 40.0 kg/m² in White adults
- Follow-up
- Median 13.8 years
Methodological detailsmulticountry, Poisson regressions with restricted cubic splines
- Multicountry
- Poisson regressions with restricted cubic splines
Main finding
As reported in the abstract
BMI cutoff equivalent to T2D incidence at 40.0 kg/m² in White adults, women
Observational data: associations, not effects.
Further findings
| Outcome | Values |
|---|---|
| BMI cutoff equivalent to T2D incidence at 40.0 kg/m² in White adults, men · median follow-up 13.8 years | Black 31.9 kg/m² · British Chinese 30.6 kg/m² · South Asian 29.0 kg/m² · Native Chinese 29.6 kg/m² · Singapore Chinese 27.6 kg/m² |
Equivalent BMI cutoffs for class I and II obesity
- Race and ethnicity order was consistent for class I and II obesity
Original publication
Comparison of race‐ and ethnicity‐specific BMI cutoffs for categorizing obesity severity: a multicountry prospective cohort study. Obesity (Silver Spring). Published 3 September 2024. doi:10.
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