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dc.contributor.authorAmbrey, CL
dc.date.accessioned2018-07-05T03:05:43Z
dc.date.available2018-07-05T03:05:43Z
dc.date.issued2016
dc.identifier.issn0033-3506
dc.identifier.doi10.1016/j.puhe.2015.11.013
dc.identifier.urihttp://hdl.handle.net/10072/101818
dc.description.abstractObjectives: The purpose of this study is to investigate the synergy between greenspace and physical activity and its implications for well-being. In particular, how this synergy may depend on population size in the neighborhood. Study design: Cross-sectional analysis of resident-level responses from the Household, Income and Labour Dynamics in Australia (HILDA) survey for 2013 subset to Australia's major capital cities and linked to Geographic Information Systems (GIS) data. Methods: GIS data on greenspace and Australian Bureau of Statistics data on population size for the neighborhood are matched to the residents in the HILDA survey on the basis of the Census Collection District in which they reside. A cluster-specific fixed effects model is estimated for the outcomes of mental health and psychological distress. A battery of sociodemographic and location characteristics were also adjusted for. Interaction terms are used to discern the extent to which population size may moderate any synergistic well-being benefits associated with physical activity and greenspace. This question is ultimately operationalized as a three-way interaction effect (greenspace physical activity population size). Results: The results indicate that physical activity is most strongly and positively associated with mental health (statistically significant at the 1% level), with an estimated coefficient of 0.6307. The results also reveal that physical activity is negatively associated with psychological distress (statistically significant at the 10% level), with an estimated coefficient of 0.2447. Unexpectedly, for both mental health and psychological distress the greenspace and population variables are not found to have separate statistically significant effects. Furthermore, while the results fail to find, on average, the hypothesized synergy between greenspace and physical activity, a closer inspection reveals that this link may depend on the population size of a neighborhood. The interaction term for greenspace, physical activity and population bears a coefficient estimate of 0.0033, statistically significant at the 5% level in the mental health regression and a coefficient of 0.0032, statistically significant at the 1% level in the psychological distress regression. Conclusion: The results indicate that physical activity is linked differently to mental health and psychological distress. The results initially provide no evidence of the hypothesized greenspaceephysical activity synergy. The results provide evidence that this synergy is greater in more populated neighborhoods.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofpagefrom38
dc.relation.ispartofpageto44
dc.relation.ispartofjournalPublic Health
dc.relation.ispartofvolume133
dc.subject.fieldofresearchHealth services and systems
dc.subject.fieldofresearchPublic health
dc.subject.fieldofresearchcode4203
dc.subject.fieldofresearchcode4206
dc.titleGreenspace, physical activity and well-being in Australian capital cities: How does population size moderate the relationship?
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorAmbrey, Christopher L.


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