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Asthmatic responses to airborne acid aerosols

Author

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  • Ostro, B.D.
  • Lipsett, M.J.
  • Wiener, M.B.
  • Selner, J.C.

Abstract

Background: Controlled exposure studies suggest that asthmatics may be more sensitive to the respiratory effects of acidic aerosols than individuals without asthma. This study investigates whether acidic aerosols and other air pollutants are associated with respiratory symptoms in free-living asthmatics. Methods: Daily concentrations of hydrogen ion (H+), nitric acid, fine particulates, sulfates and nitrates were obtained during an intensive air monitoring effort in Denver, Colorado, in the winter of 1987-88. A panel of 207 asthmatics recorded respiratory symptoms, frequency of medication use, and related information in daily diaries. We used a multiple regression time-series model to analyze which air pollutants, if any, were associated with health outcomes reported by study participants. Results: Airborne H+ was found to be significantly associated with several indicators of asthma status, including moderate or severe cough and shortness of breath. Cough was also associated with fine particulates, and shortness of breath with sulfates. Incorporating the participants' time spent outside and exercise intensity into the daily measure of exposure strengthened the association between these pollutants and asthmatic symptoms. Nitric acid and nitrates were not significantly associated with any respiratory symptom analyzed. Conclusions: In this population of asthmatics, several outdoor air pollutants, particularly airborne acidity, were associated with daily respiratory symptoms.

Suggested Citation

  • Ostro, B.D. & Lipsett, M.J. & Wiener, M.B. & Selner, J.C., 1991. "Asthmatic responses to airborne acid aerosols," American Journal of Public Health, American Public Health Association, vol. 81(6), pages 694-702.
    • Handle: RePEc:aph:ajpbhl:1991:81:6:694-702_3
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    Cited by:

    1. Rowe, Robert D. & Lang, Carolyn M. & Chestnut, Lauraine G., 1996. "Critical factors in computing externalities for electricity resources," Resource and Energy Economics, Elsevier, vol. 18(4), pages 363-394, December.
    2. Anett C. Hansen & Harald K. Selte, 1997. "Air Pollution and Sick-leaves - is there a Connection? A Case Study using Air Pollution Data from Oslo," Discussion Papers 197, Statistics Norway, Research Department.
    3. Glenn P. Jenkins & Chun-Yan Kuo & Aygul Ozbafli, 2007. "Cost-Benefit Analysis Case Study on Regulations to Lower the Level of Sulphur in Gasoline," Development Discussion Papers 2007-08, JDI Executive Programs.
    4. Garg, Amit, 2011. "Pro-equity Effects of Ancillary Benefits of Climate Change Policies: A Case Study of Human Health Impacts of Outdoor Air Pollution in New Delhi," World Development, Elsevier, vol. 39(6), pages 1002-1025, June.
    5. McCubbin, Donald R. & Delucchi, Mark A., 1996. "The Social Cost of the Health Effects of Motor-Vehicle Air Pollution," University of California Transportation Center, Working Papers qt5jm6d2tc, University of California Transportation Center.
    6. Bao-Linh Tran & Ching-Cheng Chang & Chia-Sheng Hsu & Chi-Chung Chen & Wei-Chun Tseng & Shih-Hsun Hsu, 2019. "Threshold Effects of PM 2.5 Exposure on Particle-Related Mortality in China," IJERPH, MDPI, vol. 16(19), pages 1-18, September.
    7. Choi, Jungsoon & Fuentes, Montserrat & Reich, Brian J., 2009. "Spatial-temporal association between fine particulate matter and daily mortality," Computational Statistics & Data Analysis, Elsevier, vol. 53(8), pages 2989-3000, June.

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