Association between the density and type of trees around urban schools and exhaled nitric oxide levels in schoolchildren

Data de publicação:

Autores da FMUP

  • Ana Isabel Correia Ribeiro

    Autor

  • Diana Margarida Gonçalves Solha Pereira Da Silva

    Autor

  • José Luís Dias Delgado

    Autor

  • André Miguel Afonso De Sousa Moreira

    Autor

Participantes de fora da FMUP

  • Paciencia, I
  • Rufo, JC
  • Mendes, FC
  • Farraia, M

Unidades de investigação

Abstract

Greenspaces in school's neighbourhood represent an important environment to promote healthy development. The aim of this study was to assess the association between the density and type of trees around schools and exhaled Nitric Oxide (NO) levels in schoolchildren. Data on 845 children from 20 primary schools in Porto was analysed. Airway inflammation was assessed by measuring exhaled NO level. The density and type of trees were quantified within a 500 m buffer around schools. Associations were estimated using mixed-effect models. A significant association was observed between non-tree covered areas around schools and exhaled NO levels in schoolchildren (beta = - 1.42, 95% CI - 2.84, - 0.001). Our results suggested that the presence of trees in school neighbourhoods may play a role in the biological mechanisms underlying the complex links between environment and airway inflammation.

Dados da publicação

ISSN/ISSNe:
1764-1489,

European Annals of Allergy and Clinical Immunology  EDRA S.p.A

Tipo:
Article
Páginas:
29-36
Link para outro recurso:
www.scopus.com

Citações Recebidas na Web of Science: 7

Citações Recebidas na Scopus: 8

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Keywords

  • Children; exhaled nitric oxide; greenness; school neighborhood; tree density; environment

Financiamento

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