Abstract
Methods The study was carried out on the 256 workers exposed to dust at the rubber factory. 16 workers with moderate exposure, 240 Workers with high exposure, spirometry (FVC, FEV1) were performed. Information on occupational history, duration of exposure, smoking habits, alcohol consumption, respiratory symptoms (breathlessness, cough and rhinitis) and self reported symptoms with disease were collected. By employing multiple linear regression modeling the potentially confounding effects of age, sex and body mass index were also incorporated into the analysis. Odds ratio were calculated for FVC<80% predicted in different exposure subgroups.
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