科研之友
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摘要
objective: to assess the prevalence of respiratory symptoms and their association with sociodemographic variables and with the characteristics of the work environment. methods: a cross-sectional study comprising 464 workers employed at ceramics manufacturing facilities located in the city of v芍rzea grande, brazil. data were collected by means of a questionnaire comprising questions regarding sociodemographic variables, work environment characteristics, and respiratory symptoms. data were analyzed by means of prevalence ratios and their respective 95% cis between the dependent variable (respiratory symptoms) and the other explanatory variables. in the multivariate analysis, two hierarchical models were built, the response variables being %26quot;all respiratory symptoms%26quot; and %26quot;severe respiratory symptoms%26quot;. results: in the sample studied, the prevalence of %26quot;all respiratory symptoms%26quot; was 78%, whereas that of %26quot;severe respiratory symptoms%26quot; was 35%. the factors associated with %26quot;all respiratory symptoms%26quot; were gender, age bracket, level of education, type of occupation, exposure to dust, and exposure to chemical products. the factors associated with %26quot;severe respiratory symptoms%26quot; were level of education, exposure to dust, and exposure to chemical products. conclusions: our results indicate the presence of upper and lower airway disease in the population studied.
