Replication of ‘Effect of Reduction in Household Air Pollution’


Replication Researcher: Jan Hattendorf
Original Paper Title: Effect of Reduction in Household Air Pollution on Childhood Pneumonia in Guatemala (Respire): A Randomised Controlled Trial
Original Researchers: Kirk R. Smith, John P. McCracken, Martin W. Weber, Alan Hubbard, Alisa Jenny, Lisa M. Thompson, John Balmes, Anaité Diaz, Byron Arana and Nigel Bruce
Original Publication: Lancet
Replication Plan: Not Applicable
Current Status: Unable to Replicate

The Original Study

Numerous researchers have shown that indoor smoke inhalation, oftentimes from cooking air pollution, to be a significant negative health externality for developing world households (and especially children). This study examines the effects of reduced smoke technology adoption on the incidences of pneumonia in Guatemala through a random-controlled trial. Although the results are somewhat inconclusive, a significant reduction in the cases of severe infant pneumonia suggests the possibility of wood chimney stoves decreasing childhood mortality rates.

Photo © AIDG

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