Bibliographic citations
Silva, N., (2012). Prevalencia del Asma Bronquial Infantil y su Asociación con el nivel de contaminación del aire en algunos colegios de la provincia de Lima [Tesis, Universidad Nacional Mayor de San Marcos]. https://hdl.handle.net/20.500.12672/2098
Silva, N., Prevalencia del Asma Bronquial Infantil y su Asociación con el nivel de contaminación del aire en algunos colegios de la provincia de Lima [Tesis]. PE: Universidad Nacional Mayor de San Marcos; 2012. https://hdl.handle.net/20.500.12672/2098
@misc{renati/487098,
title = "Prevalencia del Asma Bronquial Infantil y su Asociación con el nivel de contaminación del aire en algunos colegios de la provincia de Lima",
author = "Silva Astete, Nazario",
publisher = "Universidad Nacional Mayor de San Marcos",
year = "2012"
}
Material and methods: A descriptive epidemiological observational crosssectional ecological quantitative comparison, 787 students were interviewed, 4 high schools, 2 schools located in a contaminated area (station located at the National Trade Corporation “CONACO“) and other 2 schools located in an area slightly contaminated (station located in “Mary Help of Christians Hospital“) according to measurements made by the Directorate of Environmental Health (DIGESA). In addition it was determined the prevalence of Childhood Asthma “through the ISAAC questionnaire (International study of asthma and allergies in Chilhood) used the statistical software Stata v10.0 Inc., for the following analysis: univariate analysis for measures of central tendency and dispersion (mean, median, standard deviation, confidence intervals) by type of variable studied. Bivariate Analysis: We used the chi square to find relationship between the response and nominal variables. And study the association with risk factors previously established for this was made a multiple logistic regression to determine odds ratios for each independent variable. Results: We observed that the prevalence of childhood asthma in our study was 22.1%, and that of all asthmatics 20% of these live in an area of high pollution, and 24.1% in low-pollution area ( p = 0.192) in the multivariate analysis showed that the covariates: family history (OR: 1.72 CI: 1.25 - 2.57), presence of cockroaches (OR: 1.62 CI: 1.13 - 2.33) and contaminant source (OR 2.03, CI : 1.40 - 2.95), were found to be associated with the presence of childhood asthma. Discussion: We found that the prevalence of asthma in schoolchildren was 22.1% consistent with others made in Peru and Latin America. We found an association between exposure to kerosene and bronchial asthma and association between family history and asthma corroborated by studies in Spain and Boston. Another was the association of the presence of cockroaches and asthma, which coincide with many studies of world literature. In the multivariate analysis showed that family history, presence of cockroaches and the presence of contaminant source. Conclusions: We confirmed the strong association between asthma and family history, and the use of kerosene as fuel, the presence of cockroaches in the home and source of contamination close to home. The risk is almost double of asthma in children with a family history of asthma, just as the risk is one and half times more likely to suffer asthma when there is the presence of insects in the house, and twice the risk when there and a source of pollution near the house. While being male protects schoolchildren present in 32% of childhood asthma. Keywords: childhood asthma, prevalence, environmental pollution.
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