Associations Between Ambient Particulate Air Pollution and Cognitive Function in Indonesian Children Living in Forest Fire–Prone Provinces

  • Bin Jalaludin
    Ingham Institute for Applied Medical Research, UNSW Sydney, Liverpool, New South Wales, Australia
  • Frances L. Garden
    Ingham Institute for Applied Medical Research, UNSW Sydney, Liverpool, New South Wales, Australia
  • Agata Chrzanowska
    National Drug and Alcohol Research Centre, UNSW Sydney, Randwick, New South Wales, Australia
  • Budi Haryanto
    Universitas Indonesia, Depok, Jawa Barat, Indonesia
  • Christine T. Cowie
    South Western Sydney Clinical School, UNSW Sydney, Liverpool, New South Wales, Australia
  • Fatma Lestari
    Universitas Indonesia, Depok, Jawa Barat, Indonesia
  • Geoffrey Morgan
    University of Sydney, Sydney, New South Wales, Australia
  • Soumya Mazumdar
    South Western Sydney Clinical School, UNSW Sydney, Liverpool, New South Wales, Australia
  • Kasey Metcalf
    Liverpool Brain Injury Rehabilitation Unit, Liverpool, New South Wales, Australia
  • Guy B. Marks
    South Western Sydney Clinical School, UNSW Sydney, Liverpool, New South Wales, Australia

抄録

<jats:p> Smoke from forest fires can reach hazardous levels for extended periods of time. We aimed to determine if there is an association between particulate matter ≤2.5 µm in aerodynamic diameter (PM<jats:sub>2.5</jats:sub>) and living in a forest fire–prone province and cognitive function. We used data from the Indonesian Family and Life Survey. Cognitive function was assessed by the Ravens Colored Progressive Matrices (RCPM). We used regression models to estimate associations between PM<jats:sub>2.5</jats:sub> and living in a forest fire–prone province and cognitive function. In multivariable models, we found very small positive relationships between PM<jats:sub>2.5</jats:sub> levels and RCPM scores (PM<jats:sub>2.5</jats:sub> level at year of survey: β = 0.1%; 95% confidence interval (CI) [0.01, 0.19%]). There were no differences in RCPM scores for children living in forest fire–prone provinces compared with children living in non-forest fire–prone provinces (mean difference = −1.16%, 95% CI [–2.53, 0.21]). RCPM scores were lower for children who had lived in a forest fire–prone province all their lives compared with children who lived in a non-forest fire–prone province all their life (β = −1.50%; 95% CI [–2.94, –0.07]). Living in a forest fire–prone province for a prolonged period of time negatively affected cognitive scores after adjusting for individual factors. </jats:p>

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