The Impact of Sugar Cane–Burning Emissions on the Respiratory System of Children and the Elderly
2006

Impact of Sugar Cane Burning on Respiratory Health

Sample size: 948 publication 10 minutes Evidence: high

Author Information

Author(s): José E.D. Cançado, Paulo H.N. Saldiva, Luiz A.A. Pereira, Luciene B.L.S. Lara, Paulo Artaxo, Luiz A. Martinelli, Marcos A. Arbex, Antonella Zanobetti, Alfesio L.F. Braga

Primary Institution: University of São Paulo Medical School

Hypothesis

How do emissions from sugar cane burning affect the respiratory health of children and the elderly?

Conclusion

The study found that emissions from sugar cane burning significantly increase respiratory hospital admissions among children and the elderly.

Supporting Evidence

  • Increases of 10.2 μg/m3 in PM2.5 were associated with a 21.4% increase in respiratory hospital admissions for children.
  • Increases of 42.9 μg/m3 in PM10 were associated with a 31.03% increase in respiratory hospital admissions for the elderly.
  • Effects during the burning period were significantly higher than during the nonburning period.
  • Biomass burning was identified as the main source of air pollution affecting respiratory health in the region.

Takeaway

Burning sugar cane makes the air dirty, which can make kids and old people sick and send them to the hospital.

Methodology

The study analyzed hospital admissions for respiratory diseases in children and the elderly while measuring air pollution levels from sugar cane burning over a year.

Potential Biases

Potential biases may arise from confounding factors not fully accounted for in the analysis.

Limitations

The study focused on a single region and may not be generalizable to other areas.

Participant Demographics

26% of the population were children under 13 years old, and 7% were elderly over 64 years old.

Statistical Information

P-Value

0.0092

Confidence Interval

95% CI, 4.3–38.5

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1289/ehp.8485

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication