Long-term exposure to residential green and blue spaces and anxiety and depression in adults: A cross-sectional study

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• dc.contributor.author Gascon Merlos, Mireia, 1984-
• dc.contributor.author Sánchez Benavides, Gonzalo
• dc.contributor.author Dadvand, Payam
• dc.contributor.author Martínez, David
• dc.contributor.author Gramunt Fombuena, Nina
• dc.contributor.author Gotsens, Xavier
• dc.contributor.author Cirach, Marta
• dc.contributor.author Vert Roca, Cristina, 1991-
• dc.contributor.author Molinuevo, José Luis
• dc.contributor.author Crous-Bou, Marta
• dc.contributor.author Nieuwenhuijsen, Mark J.
• dc.date.accessioned 2019-07-26T07:34:27Z
• dc.date.issued 2018
• dc.description.abstract Background: Although exposure to natural outdoor environments has been consistently associated with improved perceived general health, available evidence on a protective association between this exposure and specific mental health disorders such as depression and anxiety is still limited. Objective: The aim of this study was to evaluate the effects of long-term exposure to residential green and blue spaces on anxiety and depression and intake of related medication. Additionally, we aimed to explore potential mediators and effect modifiers of this association. Methods: The study was based on an existing adult cohort (ALFA – Alzheimer and Families) and includes 958 adult participants from Barcelona recruited in 2013–2014. For each participant residential green and blue exposure indicators [surrounding greenness (NDVI), amount of green (land-cover) and access to major green spaces and blue spaces] were generated for different buffers (100 m, 300 m and 500 m). Participants reported their history of doctor-diagnosed anxiety and depressive disorders and intake of related medication. Logistic regression models were applied to assess the corresponding associations. Results: Increasing surrounding greenness was associated with reduced odds of self-reported history of benzodiazepines [e.g. Odds ratio - OR (95%CI) = 0.62 (0.43, 0.89) for 1-interquartile range (IQR) increase in NDVI in a 300 m buffer] and access to major green spaces was associated with self-reported history of depression [OR (95%CI) = 0.18 (0.06, 0.58)]. No statistically significant associations were observed with blue spaces. Air pollution (between 0.8% and 29.6%) and noise (between 2.2% and 5.3%) mediated a proportion of the associations observed, whereas physical activity and social support played a minor role. Conclusion: Our findings suggest a potential protective role of green spaces on mental health (depression and anxiety) in adults, but further studies, especially longitudinal studies, are needed to provide further evidence of these benefits and of the mediation role of exposures like air pollution and noise.
• dc.description.sponsorship The research leading to these results has received funding from ‘‘la Caixa’’ Foundation (LCF/PR/GN13/10260001). Additional funding has been obtained from: Fondo de Investigación Sanitaria (FIS), Instituto de Salud Carlos III (ISC-III) under Grant PI12/00326. Measurements of air pollution have been collected as a part of the ESCAPE project funded by the European Community's Seventh Framework Program (FP7/2007–2011; Grant agreement no.: 211250). Payam Dadvand is funded by a Ramón y Cajal fellowship (RYC-2012-10995) awarded by the Spanish Ministry of Economy and Competitiveness. None of the funders were involved in the collection, analysis and interpretation of data, in the writing of the report, or in the decision to submit the article for publication.
• dc.format.mimetype application/pdf
• dc.identifier.citation Gascon M, Sánchez-Benavides G, Dadvand P, Martínez D, Gramunt N, Gotsens X et al. Long-term exposure to residential green and blue spaces and anxiety and depression in adults: A cross-sectional study. Environ Res. 2018;162:231-9. DOI: 10.1016/j.envres.2018.01.012
• dc.identifier.doi http://dx.doi.org/10.1016/j.envres.2018.01.012
• dc.identifier.issn 0013-9351
• dc.identifier.uri http://hdl.handle.net/10230/42185
• dc.language.iso eng
• dc.publisher Elsevier
• dc.relation.ispartof Environmental Research. 2018;162:231-9
• dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/211250
• dc.rights © Elsevier http://dx.doi.org/10.1016/j.envres.2018.01.012
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.subject.keyword Green spaces
• dc.subject.keyword Blue spaces
• dc.subject.keyword Air pollution
• dc.subject.keyword Physical activity
• dc.subject.keyword Social support
• dc.subject.keyword Depression
• dc.subject.keyword Anxiety
• dc.subject.keyword Mental health
• dc.title Long-term exposure to residential green and blue spaces and anxiety and depression in adults: A cross-sectional study
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/acceptedVersion