An ecological study of the relationship between urban built environment and cardiovascular hospital admissions (2004–2016) in an Asian developing country

Soo Chen Kwan, Rohaida Ismail, Nor Halizam Ismail and Norlen Mohamed

Social Science & Medicine, 2021, vol. 276, issue C

Abstract: This study aims to evaluate the relationship between urban built environment and hospital admissions from cardiovascular diseases in Kuala Lumpur, Malaysia. Hospital admission data from 2004 to 2016 for cardiovascular diseases were used with patient residential postcodes as the unit of analysis. Data was split into 2004–2009 (12,551 cases) and 2010–2016 (17,154 cases) periods corresponding to land use data. We used generalized linear mixed model to analyse population density, property value, entropy index, and the kernel density (800 m) of specific land use, bus and rail stations, and road junctions, with time period and postcodes as the random effects to generate incidence rate ratios (IRRs). Results indicated that entropy index and recreational area density were associated with fewer hypertensive disease and ischemic heart disease hospital admissions (IRR range: 0.49–0.68, 95%CI: 0.27, 0.97). Population density and property value were associated with fewer cerebrovascular disease hospital admissions (IRR range: 0.29–0.34, 95%CI: 0.11, 0.75). Contrarily, density of road junctions was associated with 2.5–6.3 times more hospital admissions for cardiovascular disease hospital admissions (IRR range: 2.53–6.34, 95%CI: 1.07,17.91). There were no significant association between hospital admission and density of residential area, undeveloped land, rail and bus stations. The shapes of relationships for all attributes were non-linear, and changed markedly at the third quartile except for recreational area density. The findings suggest that land use attributes have some protective effects on the cardiovascular disease admission cases as compared to the transport attributes. These findings have important merits for integrating health into urban planning.

Date: 2021
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DOI: 10.1016/j.socscimed.2021.113868

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