37 studies
number of eligible studies included in the meta-analysis
Exact: 37
The meta-analysis identified 37 eligible studies on urban green spaces and dementia from 2009 to 2024
The systematic search across six databases spanning 2009 to 2024 yielded 37 eligible studies. These were synthesised in a meta-analysis and comprehensive review, providing the evidence base for the reported effect sizes across outcomes including dementia incidence, cognitive function, anxiety, and social participation.
The meta-analysis and comprehensive review have revealed a beacon of hope through a search of six databases from 2009 to 2024 and the identification of 37 eligible studies.
Related findings
1.52×
Less greenspace linked to higher odds of cases accepted for child protective services
Census blocks with <10% greenspace had 1.52× the odds of a case being accepted for CPS services compared to blocks with >30% greenspace
Yuan He et al., 2024, Child Abuse & Neglect
1.52×
Less greenspace linked to higher odds of substantiated child maltreatment reports
Census blocks with <10% greenspace had 1.52× the odds of a substantiated CPS report compared to blocks with >30% greenspace
Yuan He et al., 2024, Child Abuse & Neglect
16.1%
nature exposure around schools offers the highest financial return of all interventions tested
Nature exposure achieved the highest return on investment at 16.1% with a 6.2-year payback period
Yingjie Li et al., 2026, SSRN Electronic Journal
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