[Effects of air pollution on children's health in a city in Southeastern Brazil].

نویسندگان

  • Luiz Fernando C Nascimento
  • Luiz Alberto A Pereira
  • Alfésio L F Braga
  • Maria Carolina C Módolo
  • João Andrade Carvalho
چکیده

OBJECTIVE Of the effects of air pollution on children's health, increased pneumonia admission rate is one of the most important. The study aimed at estimating the association between pneumonia admissions and increased air pollutants. METHODS An ecological time-series study was carried out in the municipality of São José dos Campos, Southeastern Brazil, in the years 2000 and 2001. Daily records of pneumonia admissions, air pollutants (SO2, O3, and PM10) and weather conditions (temperature and humidity) were analyzed. The correlations between the study variables were estimated using Pearson's correlation. The associations between pneumonia and air pollutants were estimated using generalized additive Poisson regression models. The percentage increase (and their respective 95% CI) in pneumonia admission rate was estimated for the interquartile range of each air pollutant studied. RESULTS The three pollutants analyzed presented lagged effects on pneumonia admission rate, beginning at lag 3 or 4 and lasting for no more than two days. The 8-day cumulative effect estimate showed that an increase of 24.7 mg/m3 in PM10 concentration increased pneumonia admission rate in 9.8%. CONCLUSIONS The study corroborates that adverse health effects of air pollutants can be observed even in medium-sized cities. The magnitude of the effect was similar to that found in the city of São Paulo. Moreover, children are highly susceptible to air pollution exposure.

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عنوان ژورنال:
  • Revista de saude publica

دوره 40 1  شماره 

صفحات  -

تاریخ انتشار 2006