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Urban Scaling of Health Outcomes: a Scoping Review
Journal article   Open access   Peer reviewed

Urban Scaling of Health Outcomes: a Scoping Review

Edwin M McCulley, Pricila H Mullachery, Ana F Ortigoza, Daniel A Rodríguez, Ana V Diez Roux and Usama Bilal
Journal of urban health, v 99(3), pp 409-426
Jun 2022
PMID: 35513600
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://doi.org/10.1007/s11524-021-00577-4View
Published, Version of Record (VoR)CC BY V4.0 Open

Abstract

Urbanization Urban scaling City growth City size Complex systems Urban health
Urban scaling is a framework that describes how city-level characteristics scale with variations in city size. This scoping review mapped the existing evidence on the urban scaling of health outcomes to identify gaps and inform future research. Using a structured search strategy, we identified and reviewed a total of 102 studies, a majority set in high-income countries using diverse city definitions. We found several historical studies that examined the dynamic relationships between city size and mortality occurring during the nineteenth and early twentieth centuries. In more recent years, we documented heterogeneity in the relation between city size and health. Measles and influenza are influenced by city size in conjunction with other factors like geographic proximity, while STIs, HIV, and dengue tend to occur more frequently in larger cities. NCDs showed a heterogeneous pattern that depends on the specific outcome and context. Homicides and other crimes are more common in larger cities, suicides are more common in smaller cities, and traffic-related injuries show a less clear pattern that differs by context and type of injury. Future research should aim to understand the consequences of urban growth on health outcomes in low- and middle-income countries, capitalize on longitudinal designs, systematically adjust for covariates, and examine the implications of using different city definitions.

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12 citations in Scopus

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UN Sustainable Development Goals (SDGs)

This publication has contributed to the advancement of the following goals:

#9 Industry, Innovation and Infrastructure

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Collaboration types
Domestic collaboration
Web of Science research areas
Public, Environmental & Occupational Health
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