Gaseous Air Pollutants and Hospitalization for Respiratory Disease in the Neonatal Period
2006

Air Pollution and Neonatal Respiratory Hospitalizations

Sample size: 9542 publication 10 minutes Evidence: high

Author Information

Author(s): Robert E. Dales, Sabit Cakmak, Marc Smith Doiron

Primary Institution: University of Ottawa

Hypothesis

Are gaseous air pollutants associated with hospital admissions for respiratory diseases among neonates?

Conclusion

Current levels of air pollution in Canada are linked to significant hospitalizations for respiratory issues in neonates.

Supporting Evidence

  • Air pollution is linked to increased respiratory hospitalizations in neonates.
  • NO2 had the strongest effect on hospitalization rates.
  • Pollutants were measured over a 15-year period in multiple cities.

Takeaway

Breathing dirty air can make babies sick and send them to the hospital.

Methodology

Daily time-series analyses were used to correlate neonatal hospitalizations with daily concentrations of air pollutants in 11 Canadian cities.

Potential Biases

Confounding variables related to air pollution and neonatal hospitalization were minimized.

Limitations

The study may not account for all confounding factors affecting neonatal health.

Participant Demographics

Neonates aged 0-27 days from 11 large Canadian cities.

Statistical Information

Confidence Interval

95% CI, 1.73–4.77 for O3; 95% CI, 1.68–4.02 for NO2; 95% CI, 0.63–2.69 for SO2; 95% CI, 0.48–3.02 for CO.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1289/ehp.9044

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