The impact of sugar cane-burning emissions on the respiratory system of children and the elderly

  • Cançado J
  • Saldiva P
  • Pereira L
 et al. 
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Abstract

We analyzed the influence of emissions from burning sugar cane on the respiratory system during almost 1 year in the city of Piracicaba in southeast Brazil. From April 1997 through March 1998, samples of inhalable particles were collected, separated into fine and coarse particulate mode, and analyzed for black carbon and tracer elements. At the same time, we examined daily records of children (64 years of age) admitted to the hospital because of respiratory diseases. Generalized linear models were adopted with natural cubic splines to control for season and linear terms to control for weather. Analyses were carried out for the entire period, as well as for burning and nonburning periods. Additional models were built using three factors obtained from factor analysis instead of particles or tracer elements. Increases of 10.2 microg/m3 in particles

Author-supplied keywords

  • Air pollution
  • Biomass burning
  • Children
  • Elderly people
  • Health effects
  • Poisson regression
  • Respiratory diseases
  • Time series

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