论文部分内容阅读
职业流行病学研究方法中,病例对照研究(以下简称ccs)在探索职业病因、提供病因假设以及评价防治措施方面具有其独特的实用价值;特别是当职业危险因子散在分布于多个厂矿,或者是研究中难以获得准确的基本成员数目而无法进行队列研究时,与队例研究相比,ccs尚具有方法简便,花费较少,收效快的优越性。故近十年来,已有成
Occupational epidemiological research methods, case-control study (hereinafter referred to as ccs) has its unique practical value in exploring occupational causes, providing etiological assumptions and evaluating prevention and control measures; especially when occupational risk factors are scattered in multiple mines or Is difficult to obtain the exact number of basic research in the study can not be cohort study, compared with the team study, ccs still has the advantages of simple, less expensive, faster effective. For nearly ten years, it has become a success