Increased Oxidative Burden Associated with Traffic Component of Ambient Particulate Matter at Roadside and Urban Background Schools Sites in London
2011

Traffic Pollution and Children's Health

Sample size: 7 publication 10 minutes Evidence: moderate

Author Information

Author(s): Krystal J. Godri, Roy M. Harrison, Tim Evans, Timothy Baker, Christina Dunster, Ian S. Mudway, Frank J. Kelly

Primary Institution: University of Birmingham

Hypothesis

PM from roadside schools would display enhanced oxidative potential (OP).

Conclusion

The study found no robust differences in oxidative potential between roadside and urban background schools, despite high traffic influence.

Supporting Evidence

  • Children near busy roads have higher rates of respiratory problems.
  • Traffic emissions include harmful pollutants like nitrogen oxides and particulate matter.
  • The study measured air quality at schools to assess pollution levels.

Takeaway

The study looked at air pollution near schools and found that even though traffic is bad for health, all schools had some level of pollution from traffic.

Methodology

Two consecutive one-week air quality monitoring campaigns were conducted at seven school sites in London, measuring particulate matter and its oxidative potential.

Potential Biases

Potential bias due to short-term meteorological effects on sampling.

Limitations

The study was limited by the small number of visits performed at each location.

Participant Demographics

Children attending primary schools in London.

Statistical Information

P-Value

0.0014

Confidence Interval

95% limits of agreement (−16.2, 2.0)

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021961

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