调查了二个大米厂和几个区粮站157名接尘工人,其中米糠尘组为粮食生产工人47名,谷尘组为粮仓收购保管员110名。以上两组生产工人平均接尘工龄和吸烟者的百分率经统计学处理无显著性差异(P>0.05)。调查结果表明:谷尘和米糠尘两组大多数工人主诉咳嗽、咯痰、食欲减退,而且以慢性支气管炎、鼻粘膜炎、慢性咽炎,哮喘等呼吸系统疾病的 A total of 157 workers were interviewed at two rice factories and several district grain stations. Among them, there were 47 rice production workers in the rice bran group and 110 managers in the grain dust collection and storage group. There was no significant difference (P> 0.05) between the above two groups of workers in terms of average dusting service life and the percentage of smokers. The survey results showed that most workers in the two groups of grain dust and rice bran dust complained of cough, expectoration and loss of appetite, and those with respiratory diseases such as chronic bronchitis, nasal mucositis, chronic pharyngitis and asthma