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The temporal pattern and the overall effect of ozone exposure on pediatric respiratory morbidity

Listed author(s):
  • Anabela Botelho


    (Universidade do Minho, NIMA)

  • Aida Sá


    (Department of Pediatrics, Centro Hospitalar de Trás-os-Montes e Alto Douro)

  • José Fraga


    (Department of Pediatrics, Centro Hospitalar de Trás-os-Montes e Alto Douro)

  • Márcia Quaresma


    (Department of Pediatrics, Centro Hospitalar de Trás-os-Montes e Alto Douro)

  • Margarida Costa


    (Department of Pediatrics, Centro Hospitalar de Trás-os-Montes e Alto Douro)

Up to now no study has investigated the temporal pattern of children’s respiratory morbidity due to ozone. In the present study, we investigate the temporal pattern and the general effect of ozone exposure on children and adolescents’ respiratory morbidity using data from a particularly well suited area in southern Europe to assess the health effects of ozone. The effects of ozone are estimated using the recently developed distributed lag non-linear models allowing for a relatively long timescale, while controlling for weather effects, a range of other air pollutants, and long and short term patterns. The public health significance of the estimated effects is higher than has been previously reported in the literature, providing evidence contrary to the conjecture that the ozone-morbidity association is mainly due to short-term harvesting. In fact, our data analysis reveals that the effects of ozone at medium and long timescales (harvesting-resistant) are substantially larger than the effects at shorter timescales (harvesting-prone), a finding that is consistent.

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Paper provided by Núcleo de Investigação em Microeconomia Aplicada (NIMA), Universidade do Minho in its series NIMA Working Papers with number 41.

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Length: 12 pages
Date of creation: Sep 2011
Handle: RePEc:nim:nimawp:41/2011
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  1. Joseph Hilbe, 1993. "Generalized linear models," Stata Technical Bulletin, StataCorp LP, vol. 2(11).
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