Universidad Peruana Cayetano Heredia

Maternal exposure to biomass smoke and carbon monoxide in relation to adverse pregnancy outcome in two high altitude cities of Peru

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dc.contributor.author Yucra, S.
dc.contributor.author Tapia Aguirre, Vilma Lucrecia
dc.contributor.author Steenland, K.
dc.contributor.author Naeher, L. P.
dc.contributor.author Gonzales Rengifo, Gustavo Francisco
dc.date.accessioned 2020-06-10T18:11:31Z
dc.date.available 2020-06-10T18:11:31Z
dc.date.issued 2014
dc.identifier.uri https://hdl.handle.net/20.500.12866/7971
dc.description.abstract BACKGROUND: Exposure to pollution from biomass fuel has been associated with low birthweight in some studies. Few studies have included exposure-response analyses. METHOD: We conducted a case-control study of biomass fuel use and reproductive outcome at high altitude in Peru. Cases (n=101) were full term births who were SGA (birth weight <10th percentile for gestational age). Controls (n=101) had a birthweight >/=10th percentile, and were matched to cases on birth week and residence. Biomass fuel use during pregnancy was determined by questionnaire. Carbon monoxide (CO) in the kitchen was measured in a subgroup (n=72). Logistic regression was used to estimate the effects of biofuel and CO on the risk of SGA, controlling for maternal education and parity. RESULTS: Among cases, 30%, 27% and 44% used gas, gas+biomass, and biomass, respectively, while the figures for controls were 39%, 33%, and 29%. The adjusted odds ratio (OR) for biomass fuel alone compared with gas alone was 4.5 (95% CI: 1.3, 15.5, p=0.02), while the OR for biomass+gas vs. gas alone was 2.1 (0.80-5.5) (p=0.13). Among the subgroup with measured CO, the mean 48-h kitchen CO levels were 4.8, 2.2 and 0.4ppm for biofuel only, biofuel+gas, and gas respectively. ORs by increasing tertile of CO level were 1.0, 1.16, and 3.53 (test for trend, p=0.02). The exposure-response trend corresponds well with one other study with analogous data. CONCLUSION: Despite limited sample size, our data suggest that maternal exposure to biomass smoke and CO, at high altitude, is associated with SGA among term births. en_US
dc.language.iso eng
dc.publisher Elsevier
dc.relation.ispartofseries Environmental Research
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Adult en_US
dc.subject Air Pollutants/toxicity en_US
dc.subject Air Pollution, Indoor/adverse effects en_US
dc.subject Altitude en_US
dc.subject Biomass en_US
dc.subject Carbon monoxide en_US
dc.subject Carbon Monoxide/toxicity en_US
dc.subject Case-Control Studies en_US
dc.subject Female en_US
dc.subject Humans en_US
dc.subject Infant, Small for Gestational Age en_US
dc.subject Logistic Models en_US
dc.subject Maternal Exposure/adverse effects en_US
dc.subject Peru en_US
dc.subject Pregnancy en_US
dc.subject Pregnancy Outcome en_US
dc.subject Rural Population en_US
dc.subject Small for gestational age en_US
dc.subject Smoke en_US
dc.subject Surveys and Questionnaires en_US
dc.subject Urban Population en_US
dc.title Maternal exposure to biomass smoke and carbon monoxide in relation to adverse pregnancy outcome in two high altitude cities of Peru en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1016/j.envres.2014.01.008
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#1.05.08
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.03.05
dc.relation.issn 1096-0953


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