Correlation study between dust exposures, smoking length of service and other factors and chest X-ray abnormalities

Abstract

Objective To understand the impact of stone processing workers' dust exposures,smoking,length of service and other factors on the chest X-ray abnormalities,and provide a reference for the prevention for the occurrence of related diseases in the industry.Methods A case control study was conducted.396 patients with chest X-ray abnormalities and 538 personnel without chest X-ray abnormalities in the same period as healthy subjects were enrolled.The total dust concentration and dust dispersity of stone processing environment were detected by the membrane filter weighing methods and the membrane filter dissolved smear methods.Results Dust exposures of the control group and the case group were statistically significant,X 2=22.32,p＜0.05,OR=5.17,95%CI( 2.44,10.91 ).The total dust concentration and dust dispersity of the stone processing in different work environment were consistent with ( GBZ 2-2002)limit requirements.Dust exposures had an effect on X-ray chest radiograph,and the risk increasd with the dust exposures.Smoking and length of service were the risk factors of chest X-ray abnormalities,X2=15.83,4.74,P＜0.05.The difference between type of work and chest X-ray abnormalities was not statistically significant (P＞0.05).Conclusion Dust exposures,smoking,length of service affects the stone processing workers'X-ray chest radiograph,but has nothing to do with the type of work. Key words: Chest X-ray abnormalities; Dust exposures; Smoking; Length of service; Type of work