Abstract
This study assessed the association between daily changes in respiratory health and respirable particulate pollution (PM10) in Utah Valley during the winter of 1990-1991. During the study period, 24-h PM10 concentrations ranged from 7 to 251 micrograms/m3. Participants included symptomatic and asymptomatic samples of fifth- and sixth-grade students. Relatively small but statistically significant (p less than 0.01) negative associations between peak expiratory flow (PEF) and PM10 were observed for both the symptomatic and asymptomatic samples. The association was strongest for the symptomatic children. Large associations between the incidence of respiratory symptoms, especially cough, and PM10 pollution were also observed for both samples. Again the association was strongest for the symptomatic sample. Immediate and delayed PM10 effects were observed. Respiratory symptoms and PEF changes were more closely associated with 5-day moving-average PM10 levels than with concurrent-day levels. These associations were also observed at PM10 levels below the 24-h standard of 150 micrograms/m3. This study indicates that both symptomatic and asymptomatic children may suffer acute health effects of respirable particulate pollution, with symptomatic children suffering the most.
Keywords
AsymptomaticMedicineIncidence (geometry)Respiratory systemParticulate pollutionPediatricsInternal medicineAir pollution
MeSH Terms
Air PollutionAsthmaChildCoughFemaleHumansIncidenceMalePeak Expiratory Flow RateRespiratory SoundsRespiratory Tract DiseasesUtah
Affiliated Institutions
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Publication Info
- Year
- 1992
- Type
- article
- Volume
- 145
- Issue
- 5
- Pages
- 1123-1128
- Citations
- 439
- Access
- Closed
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Cite This
C. Arden Pope,
Douglas W. Dockery
(1992).
Acute Health Effects of PM<sub>10</sub>Pollution on Symptomatic and Asymptomatic Children.
American Review of Respiratory Disease
, 145
(5)
, 1123-1128.
https://doi.org/10.1164/ajrccm/145.5.1123
Identifiers
- DOI
- 10.1164/ajrccm/145.5.1123
- PMID
- 1586057