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Article: How do forms and characteristics of Asian public housing neighbourhoods affect dementia risk among senior population? A cross-sectional study in Hong Kong

TitleHow do forms and characteristics of Asian public housing neighbourhoods affect dementia risk among senior population? A cross-sectional study in Hong Kong
Authors
KeywordsBuilt environment
Community health
Dementia
Healthy living
Local accessibility
Public housing
Issue Date1-Jun-2023
PublisherElsevier
Citation
Public Health, 2023, v. 219, p. 44-52 How to Cite?
Abstract

Background

Public housing estate is a key determinant of community health risk in American/European cities. However, how forms/characteristics of compact/hilly public housing's neighbourhoods affect dementia among Asian seniors was underestimated.

Design

This was a cross-sectional study.

Methods

A total of 2,077 seniors living in Hong Kong's public housing estates were included. Dementia was measured by a Cantonese version of Montreal – Cognitive Assessment. Built environment was measured based on three dimensions (greenery, walkability, accessibility), including 11 metrics. Circular buffers (without walking paths) and service areas (considering walking paths) with two-dimensional/three-dimensional (terrain) adjustment were applied to quantify forms/characteristics of neighbourhoods. Two spatial buffers were applied: immediate distance (200 m) and walkable distance (500 m). Exposure-by-exposure regressions were applied to evaluate the associations between form/characteristics of neighbourhood and dementia.

Results

Forms/characteristics without considering walking paths may overestimate health benefits from built environment. For circular buffers, higher percentage of building coverage, higher land use mix and more community/transportation/leisure facilities were negatively associated with dementia. All measures of greenery were positively associated with dementia. For service areas, measures of walkability and accessibility became insignificant except more community facilities at the immediate distance. Furthermore, terrain effect was insignificant when it was compared with the impacts of walking paths.

Conclusion

Dementia among seniors in hilly public housing estates was negatively associated with neighbourhood's walkability and accessibility and was influenced by walking paths. For healthy ageing, improved forms/characteristics of public housing neighbourhoods should include more accessible spaces and community facilities along walking paths for physical activities and basic daily needs.


Persistent Identifierhttp://hdl.handle.net/10722/329163
ISSN
2023 Impact Factor: 3.9
2023 SCImago Journal Rankings: 1.203
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHo, HC-
dc.contributor.authorSong, Y-
dc.contributor.authorCheng, W-
dc.contributor.authorLiu, Y-
dc.contributor.authorGuo, Y-
dc.contributor.authorLu, S-
dc.contributor.authorLum, T-
dc.contributor.authorChiu, RLH-
dc.contributor.authorWebster, C-
dc.date.accessioned2023-08-05T07:55:46Z-
dc.date.available2023-08-05T07:55:46Z-
dc.date.issued2023-06-01-
dc.identifier.citationPublic Health, 2023, v. 219, p. 44-52-
dc.identifier.issn0033-3506-
dc.identifier.urihttp://hdl.handle.net/10722/329163-
dc.description.abstract<h3>Background</h3><p>Public housing estate is a key determinant of <a href="https://www.sciencedirect.com/topics/social-sciences/community" title="Learn more about community from ScienceDirect's AI-generated Topic Pages">community</a> health risk in American/European cities. However, how forms/characteristics of compact/hilly public housing's neighbourhoods affect dementia among Asian seniors was underestimated.</p><h3>Design</h3><p>This was a cross-sectional study.</p><h3>Methods</h3><p>A total of 2,077 seniors living in Hong Kong's public housing estates were included. Dementia was measured by a Cantonese version of Montreal – Cognitive Assessment. Built environment was measured based on three dimensions (greenery, walkability, accessibility), including 11 metrics. Circular buffers (without walking paths) and service areas (considering walking paths) with two-dimensional/three-dimensional (terrain) adjustment were applied to quantify forms/characteristics of neighbourhoods. Two spatial buffers were applied: immediate distance (200 m) and walkable distance (500 m). Exposure-by-exposure regressions were applied to evaluate the associations between form/characteristics of neighbourhood and dementia.</p><h3>Results</h3><p>Forms/characteristics without considering walking paths may overestimate health benefits from built environment. For circular buffers, higher percentage of building coverage, higher land use mix and more community/transportation/leisure facilities were negatively associated with dementia. All measures of greenery were positively associated with dementia. For service areas, measures of walkability and accessibility became insignificant except more community facilities at the immediate distance. Furthermore, terrain effect was insignificant when it was compared with the impacts of walking paths.</p><h3>Conclusion</h3><p>Dementia among seniors in hilly public housing estates was negatively associated with neighbourhood's walkability and accessibility and was influenced by walking paths. For <a href="https://www.sciencedirect.com/topics/social-sciences/healthy-ageing" title="Learn more about healthy ageing from ScienceDirect's AI-generated Topic Pages">healthy ageing</a>, improved forms/characteristics of public housing neighbourhoods should include more accessible spaces and community facilities along walking paths for <a href="https://www.sciencedirect.com/topics/social-sciences/physical-activity" title="Learn more about physical activities from ScienceDirect's AI-generated Topic Pages">physical activities</a> and basic daily needs.</p>-
dc.languageeng-
dc.publisherElsevier-
dc.relation.ispartofPublic Health-
dc.subjectBuilt environment-
dc.subjectCommunity health-
dc.subjectDementia-
dc.subjectHealthy living-
dc.subjectLocal accessibility-
dc.subjectPublic housing-
dc.titleHow do forms and characteristics of Asian public housing neighbourhoods affect dementia risk among senior population? A cross-sectional study in Hong Kong-
dc.typeArticle-
dc.identifier.doi10.1016/j.puhe.2023.03.014-
dc.identifier.scopuseid_2-s2.0-85153236364-
dc.identifier.volume219-
dc.identifier.spage44-
dc.identifier.epage52-
dc.identifier.isiWOS:000988843000001-
dc.identifier.issnl0033-3506-

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