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. 2023 Jan 5;22(1):2.
doi: 10.1186/s12940-022-00955-8.

Neighborhood infrastructure-related risk factors and non-communicable diseases: a systematic meta-review

Yuyang Zhang #  1 , Ningrui Liu #  1 , Yan Li #  1 , Ying Long  2 , Jill Baumgartner  3 , Gary Adamkiewicz  4 , Kavi Bhalla  5 , Judith Rodriguez  6 , Emily Gemmell  7
Affiliations

Neighborhood infrastructure-related risk factors and non-communicable diseases: a systematic meta-review

Yuyang Zhang et al. Environ Health. .

Abstract

Background: With rapid urbanization, the urban environment, especially the neighborhood environment, has received increasing global attention. However, a comprehensive overview of the association between neighborhood risk factors and human health remains unclear due to the large number of neighborhood risk factor-human health outcome pairs.

Method: On the basis of a whole year of panel discussions, we first obtained a list of 5 neighborhood domains, containing 33 uniformly defined neighborhood risk factors. We only focused on neighborhood infrastructure-related risk factors with the potential for spatial interventions through urban design tools. Subsequently, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic meta-review of 17 infrastructure-related risk factors of the 33 neighborhood risk factors (e.g., green and blue spaces, proximity to major roads, and proximity to landfills) was conducted using four databases, Web of Science, PubMed, OVID, and Cochrane Library, from January 2000 to May 2021, and corresponding evidence for non-communicable diseases (NCDs) was synthesized. The review quality was assessed according to the A MeaSurement Tool to Assess Systematic Reviews (AMSTAR) standard.

Results: Thirty-three moderate-and high-quality reviews were included in the analysis. Thirteen major NCD outcomes were found to be associated with neighborhood infrastructure-related risk factors. Green and blue spaces or walkability had protective effects on human health. In contrast, proximity to major roads, industry, and landfills posed serious threats to human health. Inconsistent results were obtained for four neighborhood risk factors: facilities for physical and leisure activities, accessibility to infrastructure providing unhealthy food, proximity to industry, and proximity to major roads.

Conclusions: This meta-review presents a comprehensive overview of the effects of neighborhood infrastructure-related risk factors on NCDs. Findings on the risk factors with strong evidence can help improve healthy city guidelines and promote urban sustainability. In addition, the unknown or uncertain association between many neighborhood risk factors and certain types of NCDs requires further research.

Keywords: Cardiovascular disease; Green space; Proximity to landfills; Proximity to major roads; Type II diabetes; Walkability.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
List of neighborhood risk factors, where the risk factors in red are related to infrastructure and are further studied in this meta-review
Fig. 2
Fig. 2
PRISMA flowchart of the literature search and screening
See this image and copyright information in PMC

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