Objectives To explore the influencing factors of pulmonary function among elimentary school children,and to provide the basis for respiratory disease prevention and control. Methods In 2013,totally 300 students of Grade 3~5 from an elementary school in Guangzhou were selected using a stratified sampling method.Impacts of different factors on the pulmonary function of elementary school students were analyzed.Variables including individual characteristics,family society economical status (SES),parental allergic diseases,residence environment factors,travel patterns were collected. Results Factors significantly associated with lung function included contamination of garbage station within 100 meters of the students' house,usage of mosquito repellents and air freshener,past history of asthma and urticaria,family asthma history,and time spent both indoor and outdoor (all P<0.05).Frequent use of air freshener (OR=9.29) and past history of urticarial (OR=3.56) increased the risk of pulmonary malfunction. Conclusions Both the usage of air freshener and history of urticaria are the influencing factors of pulmonary function.
Key words
lung function /
indoor pollutions /
health /
influencing factors /
elementary school children
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