ArticleBMC public health2026
Association between residential physical environmental exposures and multidimensional successful ageing in the UK biobank.
Article in BMC public health, 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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Abstract
backgroundSuccessful ageing is a global priority, yet the impact of the physical environment on this multidimensional process is not fully understood. Previous research has predominantly focused on isolated exposures or specific diseases, overlooking the complex physical "exposome." We aimed to evaluate the associations between a comprehensive array of environmental exposures and a holistic Successful Ageing Index (SAI).
methodsIn this cross-sectional study of 28,090 UK Biobank participants aged ≥ 60 years, we constructed a continuous SAI integrating 11 indicators across cognitive, physical, psychosocial, and disease domains. Fourteen residential environmental exposures-including air pollutants, noise, and natural environments-were assessed. We used multivariable linear regression, restricted cubic splines, and mediation analyses to evaluate independent associations, non-linearity, and biological pathways.
resultsIn crude models, most air pollutants were negatively associated, and natural environments positively associated, with the SAI. However, after extensive adjustment for sociodemographic and lifestyle factors, associations with natural environments were largely attenuated. Conversely, PM
conclusionHigher baseline residential traffic-related air pollution indicators were associated with lower multidimensional SAI in this cross-sectional analysis, after adjustment for sociodemographic and lifestyle factors. These findings suggest that reducing traffic-related air pollution may be relevant to population healthy ageing, although longitudinal studies are needed to determine whether such interventions can extend healthy lifespan or reduce late-life morbidity.
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