Do associations of neighbourhood attributes with cognitive function vary by socio-economic status? A 12-year follow-up study of older Australians

Socio-economic status (SES), neighbourhood environments and their interactions can influence cognitive health in late life. Studies on this topic have examined a limited number of SES and environmental indicators and are mostly cross-sectional. We analysed data from 1160 individuals aged 60–64 years...

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Veröffentlicht in:The Science of the total environment Jg. 999; S. 180354
Hauptverfasser: Cerin, Ester, Soloveva, Maria V., Molina, Miguel A., Schroers, Ralf-Dieter, Wu, Yu-Tzu, Sachdev, Perminder S., Knibbs, Luke D., Cherbuin, Nicolas, Jalaludin, Bin, Mavoa, Suzanne, Anstey, Kaarin J.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Netherlands Elsevier B.V 15.10.2025
Schlagworte:
Air pollution
Area-level disadvantage
Australasian People
Australia
Built environment
Cognition
Education
Environmental Exposure - statistics & numerical data
Female
Financial hardship
Follow-Up Studies
Homeownership
Humans
Male
Middle Aged
Natural environment
Neighborhood Characteristics - statistics & numerical data
Residence Characteristics - statistics & numerical data
Social Class
Socioeconomic Factors
Australia
Natural environment
Financial hardship
Homeownership
Education
Area-level disadvantage
Air pollution
Built environment
ISSN:0048-9697, 1879-1026, 1879-1026
Online-Zugang:Volltext
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Zusammenfassung:Socio-economic status (SES), neighbourhood environments and their interactions can influence cognitive health in late life. Studies on this topic have examined a limited number of SES and environmental indicators and are mostly cross-sectional. We analysed data from 1160 individuals aged 60–64 years at baseline, with four assessments of cognitive functions across 12 years. SES indicators included education, homeownership, financial problems and area-level SES. Neighbourhood environmental attributes were determined using Geographic Information Systems (GIS) data on population and street intersection densities, commercial land, parkland, tree canopy cover, non-commercial land use mix, transit points, blue space and annual average PM2.5 and NO2 concentrations. Most GIS indicators were measured at two time points. We estimated the independent associations of SES indicators with multiple cognitive health outcomes and the moderating effects of SES indicators on environment-cognition associations. All SES indicators were related to cognitive health in the expected direction. Many environment-cognition associations were moderated by SES indicators. In general, more walkable neighbourhoods, characterised by better access to services, higher levels of street connectivity and a greater percentage of tree canopy cover were associated with better cognitive outcomes (levels or/and trajectories) in respondents with fewer years of education and/or reporting financial problems. Negative associations of population density and PM2.5 concentrations with cognitive outcomes were found in non-homeowners, while access to services appeared to be more beneficial to residents of high- than low-SES neighbourhoods. Walkable, treed, unpolluted neighbourhoods with good-quality affordable housing may contribute to a substantial reduction in SES inequalities in older adults' cognitive health. [Display omitted] •All indicators of higher socio-economic status (SES) relate to better cognitive health.•The less educated benefit more from well-connected areas with non-commercial services and tree canopy cover.•The more educated benefit more from access to parks and more populated areas.•Population density and air pollution have negative effects on cognitive health in renters.•Access to destinations relate to better cognitive health in those with financial problems and higher SES areas.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0048-9697
1879-1026
1879-1026
DOI:10.1016/j.scitotenv.2025.180354