Finding F-0978

“Unadjusted linear regression models of the mean gram difference in infant birth weight by stove type used during pregnancy demonstrated that average birth weight was 68 g higher (95% CI, –56 to 191 g) among births to mothers who used the chimney stove versus open fire during pregnancy”

Impact of Reduced Maternal Exposures to Wood Smoke from an Introduced Chimney Stove on Newborn Birth Weight in Rural Guatemala (2011). Environmental health perspectives. Page 4. CKB 6737

Structure

Source: Wood
Outcome: Birth weight
Intervention: Improved cookstoves
Population: pregnant women and their newborns
Setting: home, GT
Study design: analysis inside RESPIRE, a randomised trial in rural Guatemala: pregnant women were given a chimney stove or kept an open fire, with 48-hour personal carbon monoxide measured in pregnancy and newborn birth weight measured within 48 hours of birth, adjusted for maternal height, gravidity, blood pressure and season (class 3)
Effect: difference 68 (-56–191)
Flags: ci-includes-1
Caveat: the interval crosses zero; after adjustment the estimated difference was larger

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