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Noise exposure and childhood asthma up to adolescence

Alva Enoksson Wallas1, Charlotta Eriksson2, Mikael Ögren3

  • 1Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.

Environmental Research
|April 6, 2020
PubMed

Insights

This study found no clear link between childhood noise exposure from traffic or work and later asthma development. Further research is needed to understand noise

Area of Science:

  • Environmental Health
  • Pediatric Health
  • Epidemiology

Background:

  • Immune-mediated diseases can worsen with stress.
  • Noise is a known stressor, but its impact on children's respiratory health is understudied.
  • Understanding noise exposure effects is crucial for public health.

Purpose of the Study:

  • To investigate the association between prenatal and postnatal noise exposure and asthma development in children.
  • To examine the relationship between road traffic and occupational noise and asthma symptoms from infancy to adolescence.

Main Methods:

  • Utilized the Swedish birth cohort BAMSE (over 4000 participants) followed until age 16.
  • Assessed residential road traffic noise and maternal occupational noise exposure during pregnancy.
  • Employed logistic regression and generalized estimating equations to analyze noise-asthma associations.

Main Results:

  • No significant associations were found between residential road traffic noise in infancy (≥55 dB Lden) and asthma up to age 16 (aOR=1.22, 95% CI 0.90-1.65).
  • Prenatal occupational noise exposure (≥80 dB LAeq,8h) also showed non-significant associations with asthma (aOR=1.18, 95% CI 0.85-1.62).
  • Longitudinal analyses revealed no clear links between various noise exposures and asthma or wheeze by adolescence.

Conclusions:

  • The study did not establish a clear overall association between noise exposure during different life stages and the development of asthma or wheeze in children up to adolescence.
  • Further investigation may be needed to explore potential subtle effects or specific noise characteristics.
  • Findings suggest that common levels of traffic and occupational noise may not be major drivers of asthma in this cohort.
Abstract

Keywords:
AdolescentsAsthmaChildrenCohortOccupational noiseRoad traffic noise

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