Title:
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Lifelong residential exposure to green space and attention: A population-based prospective study
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Author:
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Dadvand, Payam; Tischer, Christina; Estarlich, Marisa; Llop, Sabrina; Dalmau Bueno, Albert; López Vicente, Mònica, 1988-; Valentín, Antònia; de Keijzer, Carmen; Fernández Somoano, Ana; Lertxundi, Nerea; Rodríguez Dehli, Cristina; Gascon Merlos, Mireia, 1984-; Guxens Junyent, Mònica; Zugna, Daniela; Basagaña Flores, Xavier; Nieuwenhuijsen, Mark J.; Ibarluzea, Jesús; Ballester Díez, Ferran; Sunyer Deu, Jordi
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Abstract:
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BACKGROUND: Natural environments, including green spaces, may have beneficial impacts on brain development. However, longitudinal evidence of an association between long-term exposure to green spaces and cognitive development (including attention) in children is limited. OBJECTIVES: We evaluated the association between lifelong residential exposure to green space and attention during preschool and early primary school years. METHODS: This longitudinal study was based on data from two well-established population-based birth cohorts in Spain. We assessed lifelong exposure to residential surrounding greenness and tree cover as the average of satellite-based normalized difference vegetation index and vegetation continuous fields, respectively, surrounding the child's residential addresses at birth, 4-5 y, and 7 y. Attention was characterized using two computer-based tests: Conners' Kiddie Continuous Performance Test (K-CPT) at 4-5 y (n=888) and Attentional Network Task (ANT) at 7 y (n=987). We used adjusted mixed effects models with cohort random effects to estimate associations between exposure to greenness and attention at ages 4-5 and 7 y. RESULTS: Higher lifelong residential surrounding greenness was associated with fewer K-CPT omission errors and lower K-CPT hit reaction time-standard error (HRT-SE) at 4-5 y and lower ANT HRT-SE at 7 y, consistent with better attention. This exposure was not associated with K-CPT commission errors or with ANT omission or commission errors. Associations with residential surrounding tree cover also were close to the null, or were negative (for ANT HRT-SE) but not statistically significant. CONCLUSION: Exposure to residential surrounding greenness was associated with better scores on tests of attention at 4-5 y and 7 y of age in our longitudinal cohort. https://doi.org/10.1289/EHP694. |
Subject(s):
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-Environmental exposure -Green spaces -Attention -Preschool children |
Rights:
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Reproduced from Environmental Health Perspectives http://dx.doi.org/10.1289/EHP694 |
Document type:
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Article Article - Published version |
Published by:
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National Institute of Environmental Health Sciences
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