Physical activity-related health and economic benefits of building walkable neighbourhoods: A modelled comparison between brownfield and greenfield developments

Zapata-Diomedi, B, Boulange, C, Giles-Corti, B, Phelan, K, Washington, S, Veerman, J and Gunn, L 2019, 'Physical activity-related health and economic benefits of building walkable neighbourhoods: A modelled comparison between brownfield and greenfield developments', International Journal of Behavioural Nutritian and Physical Activity, vol. 16, no. 11, pp. 1-12.


Document type: Journal Article
Collection: Journal Articles

Title Physical activity-related health and economic benefits of building walkable neighbourhoods: A modelled comparison between brownfield and greenfield developments
Author(s) Zapata-Diomedi, B
Boulange, C
Giles-Corti, B
Phelan, K
Washington, S
Veerman, J
Gunn, L
Year 2019
Journal name International Journal of Behavioural Nutritian and Physical Activity
Volume number 16
Issue number 11
Start page 1
End page 12
Total pages 12
Publisher BioMed Central Ltd.
Abstract Background: A consensus is emerging in the literature that urban form can impact health by either facilitating or deterring physical activity (PA). However, there is a lack of evidence measuring population health and the economic benefits relating to alternative urban forms. We examined the issue of housing people within two distinct types of urban development forms: a medium-density brownfield development in an established area with existing amenities (e.g. daily living destinations, transit), and a low-density suburban greenfield development. We predicted the health and economic benefits of a brownfield development compared with a greenfield development through their influence on PA. Methods: We combined a new Walkability Planning Support System (Walkability PSS) with a quantitative health impact assessment model. We used the Walkability PSS to estimate the probability of residents transport walking, based on their exposure to urban form in the brownfield and greenfield developments. We developed the underlying algorithms of the Walkability PSS using multi-level multivariate logistic regression analysis based on self-reported data for transport walking from the Victorian Integrated Survey of Transport and Activity 200910 and objectively measured urban form in the developments. We derived the difference in transport walking minutes per week based on the probability of transport walking in each of the developments and the average transport walking time per week among those who reported any transport walking. We then used the well-established method of the proportional multi-cohort multi-state life table model to translate the difference in transport walking minutes per week into health and economic benefits. Results: If adult residents living in the greenfield neighbourhood were instead exposed to the urban development form observed in a brownfield neighbourhood, the incidence and mortality of physical inactivity-related chronic diseases would decrease. Over the
Subject Built Environment and Design not elsewhere classified
Keyword(s) urban form
built environment
physical activity
health and economic benefits
health impact assessment
evaluation
public health
brownfield
greenfield
development
DOI - identifier 10.1186/s12966-019-0775-8
Copyright notice © The Author(s). 2019 Open Access T
ISSN 1479-5868
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