Biofuel smoke and child anemia in 29 developing countries: a multilevel analysis
Hmwe Hmwe Kyu1, Katholiki Georgiades, Michael H Boyle
1Department of Psychiatry and Behavioural Neurosciences & Offord Centre for Child Studies, McMaster University, Hamilton, Ontario, Canada. kyuhh@mcmaster.ca
Annals of Epidemiology
|October 12, 2010
Summary
Exposure to biofuel smoke, especially at home, significantly increases the risk of child anemia in developing nations. Policies are needed to protect children from this harmful indoor air pollution.
Area of Science:
- Environmental Health
- Global Public Health
- Pediatrics
Background:
- Biofuel use is prevalent in developing countries, posing risks to household air quality.
- Childhood anemia remains a significant global health concern, particularly in low-resource settings.
Purpose of the Study:
- To investigate the association between biofuel smoke exposure and child anemia.
- To examine effects at both national and individual child levels.
Main Methods:
- Utilized data from Demographic and Health Surveys (2003-2007) in 29 developing countries.
- Included 117,454 women (15-49 years) and their children (0-59 months).
- Employed multinomial logistic regression models to analyze associations and interactions.
Main Results:
- Moderate and high national biofuel smoke exposure linked to moderate/severe child anemia (ORs 2.36-2.80).
- Home biofuel smoke exposure associated with mild anemia (OR 1.07) and interacted with child age.
- Interactions observed between home biofuel smoke exposure and diarrhea/fever on anemia severity.
Conclusions:
- Biofuel smoke exposure poses a significant risk to child health, contributing to anemia.
- Urgent need for policies and programs to mitigate indoor biofuel smoke exposure for children in developing countries.
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