Altitude and type 2 diabetes mellitus: an inverse ecological association across two representative Andean populations
Authors' conclusion
Consistent findings across two national settings support an inverse relationship between altitude and T2DM prevalence.
Study context
- Population
- Peru (2019 Demographic and Family Health Survey, n = 26,593) and Colombia (healthcare registry data, n = 6,223,542)two national datasets
- Comparison
- Residential altitude categories, Peru and Colombia
- Outcome
- T2D prevalence (adjusted odds ratios (ORs) for T2D)
Methodological detailsnationally representative data, multivariable logistic regression
- Nationally representative data
- Multivariable logistic regression
Main finding
As reported in the abstract
T2D
Odds ratio (95 % CI)
Peru 2,500-3,499 mlowest odds of T2D in Peru; reference category not stated
0.65(0.51–0.82)
Colombia ≥2,500 mreference category not stated
0.639(0.636–0.643)
Original publication
Altitude and type 2 diabetes mellitus: an inverse ecological association across two representative Andean populations. Diabetes Res Clin Pract. Published 10 November 2025. doi:10.
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