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Prenatal greenspace exposure and cord blood cortisol levels: a cross-sectional study in a middle-income country

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dc.contributor.author Boll, Lilian Marie
dc.contributor.author Khamirchi, Ramezanal
dc.contributor.author Alonso, Lucia
dc.contributor.author Llurba, Elisa
dc.contributor.author Pozo Mendoza, Óscar J., 1975-
dc.contributor.author Miri, Mohammad
dc.contributor.author Dadvand, Payam
dc.date.accessioned 2021-06-22T06:51:08Z
dc.date.available 2021-06-22T06:51:08Z
dc.date.issued 2020
dc.identifier.citation Boll LM, Khamirchi R, Alonso L, Llurba E, Pozo ÓJ, Miri M, et al. Prenatal greenspace exposure and cord blood cortisol levels: a cross-sectional study in a middle-income country. Environ Int. 2020 Nov; 144: 106047. DOI: 10.1016/j.envint.2020.106047
dc.identifier.issn 0160-4120
dc.identifier.uri http://hdl.handle.net/10230/47955
dc.description.abstract Exposure to greenspace has been associated with reduced stress; however, the available evidence on such an association for the fetus is still very scarce. We, for the first time, investigated the association between maternal greenspace exposure and the level of cortisol, a stress hormone, in the cord blood. Our study was based on a cohort of 150 pregnant women in Sabzevar, Iran (2018). We comprehensively assessed greenspace exposure for each participant through (i) residential surrounding greenspace (using two satellite-derived vegetation indices), (ii) residential proximity to green spaces, (iii) maternal visual access to greenspace, (iv) use of public and private green spaces, (v) having a private garden, and (vi) the number of plant pots at home. Linear regression models were developed to assess the association of each indicator of greenspace exposure with cord blood cortisol levels, controlled for the relevant covariates. We observed that a higher residential surrounding greenspace (100 m buffer), having a window with greenspace view, window greenspace coverage of more than 50%, frequently looking at greenspace through window, residential proximity to large green spaces, and more time spent in green spaces were associated with lower cortisol levels in the cord blood. The findings for residential surrounding greenspace at 300 m and 500 m buffers, residential proximity to any green space regardless of its size, having a private garden, and number of plant pots at home were not conclusive. While about one-third of the association between residential surrounding greenspace (100 m buffer) could be mediated through reduction in exposure to air pollution, we did not observe any strong evidence for such a mediatory role for the visual access to greenspace. The findings stratified for parental education and housing type showed mixed patterns. Our findings suggest that more greenspace exposure might reduce cortisol level in the cord blood.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.rights 0160-4120/ © 2020 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.title Prenatal greenspace exposure and cord blood cortisol levels: a cross-sectional study in a middle-income country
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1016/j.envint.2020.106047
dc.subject.keyword Glucocorticoid
dc.subject.keyword Natural environment
dc.subject.keyword Newborn
dc.subject.keyword Parks
dc.subject.keyword Pregnancy
dc.subject.keyword Psychological distress
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion

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