Designing healthy communities: creating evidence on metrics for built environment features associated with walkable neighbourhood activity centres
ISPAH ePoster Library. Gunn L. Oct 15, 2018; 225115
Dr. Lucy Gunn
Dr. Lucy Gunn
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Abstract Background:<\b>
Designing healthy, sustainable and equitable communities requires evidence-based metrics to inform urban planning policy development. This study examined the association of a broad range of policy-relevant built environment features surrounding neighbourhood activity centres (NACs) measured using GIS with two transport walking related outcomes. . Methods:<\b>
534 NACs in Melbourne, Australia were categorized by their built environment features using cluster analysis. Victorian Integrated Survey of Travel Activity participants (n=19,984) were linked to their closest NACs and multilevel logistic regressions estimated to evaluate associations between each cluster typology and two health outcomes: any transport walking; and, any neighbourhood transport walking. Local planning policy compliance on supermarket location was assessed. Results:<\b>
Three clusters were identified and associated with walkability. NACs categorized as highly walkable had significantly higher street connectivity (mean:161, SD:20), destination diversity (mean:16; SD:0.4); and net residential density (mean:77, SD:65) compared with low walkable NACs which had lower street connectivity (mean:57; SD:15); destination diversity (mean:11; SD:3); and net residential density (mean:10; SD:3). Regression results showed a significant trend for transport walking outcomes by cluster. Only highly walkable NACs met the policy requirement that residents live within 1km of a local supermarket.Conclusions: NACs built environment features must reach certain levels to encourage walking and deliver health promoting, sustainable, and equitable cities. Research about the type and quantity of built environment features is needed to create metrics for inclusion in urban planning policies and urban design guidelines. External funding details Research supported by the Centre of Research Excellence in Healthy, Liveable, Communities (NHMRC grant #1061404).
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