Meroni G(1), Valerio A(2), Vezzoli M(3), Croci E(4), Carruba MO(5). Author information:
(1)Bocconi University, Milan, Italy. Electronic address:
(2)Department of Molecular and Translational Medicine, University of Brescia,
Brescia, Italy. Electronic address: [Email]
(3)Department of Molecular and Translational Medicine, University of Brescia,
(4)GREEN - Center for Geography, Resources, Environment, Energy and Networks,
Bocconi University, Milan, Italy.
(5)Center for the Study and Research on Obesity, Department of Medical
Biotechnology and Translational Medicine, University of Milan, Milan, Italy.
AIMS: Urbanisation has been linked with an increased risk of developing diabetes mellitus, dramatically worsening the healthcare system's financial burden. Environmental influences are emerging among the causing factors of the urban diabetes epidemic. We evaluated the relationship between air pollution and the prevalence of diabetes in the Municipalities of the Metropolitan City of Milan, comprising more than 3,4 million citizens. METHODS: The prevalence of diabetes in the resident population and the mean annual air concentrations of PM10 and NO2 were retrieved from the municipal Agency for Health Protection and the regional Agency for Ambient Protection datasets. Two linear regression models were estimated to inspect the relationships between the (logit-based transformed) diabetes prevalence and air pollution concentrations, namely: (i) PM10, and (ii) NO2. Both models were adjusted for five control variables, including the qualitative variable year (2011-2018). RESULTS: Both models highlight a statistically significant positive relationship between air pollutants and diabetes prevalence. An increase of one PM10 or NO2 concentrations' unit translates into a rise of 0.81% or 0.41% in diabetes prevalence, respectively. CONCLUSION: Our results contribute to the ongoing research regarding health outcomes of urbanisation dynamics and should be considered in city planning policies.
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