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Lookup NU author(s): Dr Vikki Houlden
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
While local-area greenspace is associated with reduced symptoms of mental distress and greater life satisfaction, most previous research has measured the amount of local-area greenspace within administrative boundaries, and found mixed results for associations between greenspace and multidimensional mental wellbeing. The study was designed to examine whether the amount of greenspace within a radius of individuals’ homes was associated with mental wellbeing, testing the government guideline that greenspace should be available within 300m of homes. Individual and Household-level data were drawn from the Annual Population Survey at postcode level (APS, Pooled Dataset 2012-2015), which includes 3 mental wellbeing measures, covering aspects of life satisfaction, sense of worth, and happiness, as well as a range of socio-demographic variables. Greenspace data were obtained Greenspace Information for Greater London Group (GiGL), and was used to calculated the amount of greenspace within a 300m radius of individuals. Linear regression models revealed positive and statistically significant associations between the amount of greenspace and indicators of life satisfaction and worth. Moran’s I, an indicator of spatial autocorrelation, revealed statistically significant clustering of the residuals of these models, so Geographically Weighted Regression (GWR) models were calculated, in order to adjust for underlying spatial processes within the data and investigate the geographic variation in the association between local greenspace and mental wellbeing. The global GWR model revealed that an increase in 1 hectare of greenspace within 300m of residents was associated with a statistically significant 0.803 increase in life satisfaction, 0.740 and 0.521 for worth and happiness, respectively. This therefore provides some support for the inclusion of greenspace within 300m of homes. Local GWR coefficients revealed slight variation in the strength of these associations across the study space. Therefore, further analyses are required to investigate whether the walking (network distance), absolute size, or type of each greenspace are able to explain this spatial variation.
Author(s): Houlden V, Porto de Albuquerque J, Weich S, Jarvis S
Publication type: Article
Publication status: Published
Journal: Applied Geography
Year: 2019
Volume: 109
Print publication date: 01/08/2019
Online publication date: 23/06/2019
Acceptance date: 15/06/2019
Date deposited: 26/06/2019
ISSN (print): 0143-6228
ISSN (electronic): 1873-7730
Publisher: Pergamon Press
URL: https://doi.org/10.1016/j.apgeog.2019.102036
DOI: 10.1016/j.apgeog.2019.102036
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