通过健康监护,我们发现炼胶、硫化作业工人中患慢性鼻炎者较多,为此进行了专题调查。238名接触组工人中有49人罹患慢性鼻炎,检出率为20.6%;246名对照组工人中有11人罹患慢性鼻炎,检出率为4.5%,两者有非常显著差异(P<0.01)。接触组慢 Through health monitoring, we found that there were more chronic rhinitis workers in the rubber mixing and vulcanization workers and conducted a special investigation. Chronic rhinitis was found in 49 out of 238 workers in the exposure group, with a detection rate of 20.6%; chronic rhinitis was found in 246 of the 246 control workers with a detectable rate of 4.5% (P <0.01) ). Slow contact group