本文作者于1972年调查了1940～1971年间1026名芬兰花岗石工人队列类风湿关节炎的发病率并随访到1981年底。入队工人职业接触史不少于3个月,入队年龄平均27岁,接触石英粉尘平均约12年。通过雇员简历卡了解工人一般情况及职业史,根害人口资料登记表对所有工人进行追踪观察。全队列工人与全国死亡,病残及慢性病免费医疗登记进行比较。应用美国风湿病协会标准对病历卡进行回顾性评价。根据有无类风湿因子存在及关节损损的证据,确定全队列有类风湿关节炎患者35例。分布如下:1969～1981年间因类风湿关节 The authors investigated the incidence of rheumatoid arthritis among 1026 Finnish granite workers from 1940 to 1971 in 1972 and followed up until the end of 1981. The history of occupational exposure to enrolled workers should not be less than 3 months. The average enrollment age should be 27 years and the average exposure to quartz dust should be about 12 years. Through the employee resume card to understand the general situation of workers and occupational history, root cause population data registration form to track all workers. All queue workers are compared with free medical registrations for death, sickness and chronic diseases across the country. Retrospective evaluation of medical records using American Rheumatism Association standards. According to the presence and absence of rheumatoid factor evidence of joint damage, the entire team identified 35 patients with rheumatoid arthritis. Distribution is as follows: 1969 ~ 1981 due to rheumatoid arthritis