ArticleDiabetologia2026
Association of long-term exposure to air pollution, built environment and air temperature with the incidence of prediabetes phenotypes, and prediabetes remission and progression to type 2 diabetes: a longitudinal study in the KORA cohort.
Article in Diabetologia, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
16 authors.
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Abstract
aims/hypothesisEnvironmental exposures have been adversely associated with the risk of diabetes but their role in the remission and progression of prediabetes (impaired glucose tolerance [IGT] and/or impaired fasting glucose [IFG]), especially different phenotypes, is poorly understood. This study aimed to investigate the relationship between environmental exposures and remission or progression of prediabetes phenotypes.
methodsData were derived from the KORA (Cooperative Health Research in the Region of Augsburg) cohort in Southern Germany (2006-2022). Glucose tolerance status was defined according to the 1999/2006 WHO criteria. We included annual values of particulate matter (PM), light at night (LAN), normalised difference vegetation index (NDVI), imperviousness (IMP) and air temperature variation (T
resultsDuring the follow-up, 370/1618 participants developed prediabetes (124 iIFG, 199 iIGT and 47 IFG+IGT). Among participants with prediabetes, 136/367 (without medication) regressed to NGT and 133/420 progressed to type 2 diabetes. We observed consistent associations of air pollutants and the built environment with iIGT or IFG+IGT. For example, an IQR increase in PM CONCLUSIONS/
interpretationThe findings indicate potential heterogeneity in environmental exposures and prediabetes phenotypes. Specifically, they are associated with increased incidence of IGT and decreased remission of iIFG.
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