Ambient air quality and lung function of elementary school students in YogyakartaPurposeThe purpose of this study was to analyze the association between ambient air level and lung function of elementary school students. MethodsThis research was an observational study on 115 students from 6 schools. Research variables were ambient air pollution (SO2, NO2, O3, and TSP) and lung function (Peak Expiratory Flow Rate - PEFR). Data analysis used chi-square test, Mann Whitney and logistic regression tests.ResultsThe ambient air quality among elementary school students in solid and non-solid traffic environments is still below the required threshold values. There was a relationship between SO2, NO2, O3, and TSP (p <0.05) in ambient air with lung function of children and TSP levels in ambient air became the main factor associated with lung function after multivariate analysis with school location factor, type sex, nutritional status, cigarette exposure, and exercise habits. ConclusionThe main factors that affect the lung function of students are cigarette exposure, exercise habits and TSP levels. The head master need to activate school health units and little doctors to keep students away from smoke exposure.
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