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Childhood asthma hospitalization and residential exposure to state route traffic

Shao Lin1, Jean Pierre Munsie, Syni-An Hwang

  • 1Bureau of Environmental and Occupational Epidemiology, Troy, New York 12180, USA.

Environmental Research
|March 23, 2002
PubMed

Insights

Living near busy roads, especially those with heavy truck traffic within 200 meters, increases the risk of pediatric asthma hospitalizations. This highlights the impact of traffic exposure on childhood respiratory health.

Area of Science:

  • Environmental Health
  • Pediatric Pulmonology
  • Epidemiology

Background:

  • Childhood asthma is a significant public health concern.
  • Urban air pollution, particularly from traffic, is a suspected environmental trigger.
  • Understanding specific traffic-related exposures is crucial for prevention.

Purpose of the Study:

  • To investigate the association between pediatric asthma hospitalization and proximity to heavy traffic.
  • To identify specific traffic characteristics (e.g., vehicle miles traveled, truck presence) linked to asthma hospitalizations.

Main Methods:

  • A case-control study design was employed in Erie County, New York.
  • Cases were children hospitalized for asthma (N=417); controls were children hospitalized for non-respiratory conditions (N=461).
  • Residential addresses were linked to traffic data, including vehicle miles traveled (VMT) and truck presence within 200m and 500m.

Main Results:

  • Children hospitalized for asthma were more likely to reside within 200m of roads with high VMT (OR=1.93).
  • Increased odds of asthma hospitalization were associated with truck and trailer traffic within 200m (OR=1.43).
  • No significant associations were found for exposures within 500m or residential distance from state roads.

Conclusions:

  • Proximity to high-volume traffic and truck traffic within 200m is a risk factor for childhood asthma hospitalizations.
  • These findings suggest a localized impact of traffic emissions on pediatric respiratory health.
  • Targeted interventions near high-traffic zones may help reduce asthma-related hospitalizations in children.

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