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目的：调查瑞典养鸟与肺癌危险性的联系。研究设计：肺癌病例与社区对照组的病例对照研究，由两位经过特殊训练的护士进行调查。调查地区：瑞典西南地区三所医院。病例：全部为新近诊断的肺癌病例，年龄最大７５岁，居住于Ｇｏｔｈｅｎｂｕｒｇ，Ｂｏｈｕｓ及Ａｌｖｓｂｏｒｇ三个城市的２６个社区。对照组配对条件：从人口登记资料中选出同性别、年龄相近和同一居住地点的居民。养鸟情况：肺癌病例３８０人（男２５２，女１２８），对照组６９６人（男４３３，女２６３）。探讨的主要问题：探讨养鸟与否和养鸟年限与肺癌的ＯＲ值。结果：家中曾养鸟和未养鸟的调整ＯＲ值男性为０．９４（９５％ＣＩ＝０．６４～１．３９），女性为１．１０（９５％ＣＩ＝０．６４～１．９０）。未见到养鸟年限增加有肺癌危险性增加的倾向。结论：瑞典家中养鸟对男、女肺癌危险性并无影响
OBJECTIVE: To investigate the connection between the risk of lung-raising in Sweden and the risk of lung cancer. Study Design: A case-control study of a lung cancer case and a community control group was conducted by two specially trained nurses. Survey area: Three hospitals in southwest Sweden. Cases: All newly diagnosed lung cancer cases, aged 75 years old, lived in 26 communities in Gothenburg, Bohus and Alvsborg. Pairing conditions for the control group: From the population registration data, select residents of the same sex, age, and same residence. The situation of raising birds: 380 cases of lung cancer (male 252, female 128) and control group 696 (male 433, female 263). The main issues explored are: to discuss whether or not birds are raised and the age of birds and the OR value of lung cancer. RESULTS: The adjusted OR of male and female birds at home was 0.94 (95% CI=0.64 to 1.39) and 1.10 (95% CI=0.64 to 1.90) in females. ). No increase in the number of years of raising birds has a tendency to increase the risk of lung cancer. Conclusion: Birds raised in Sweden have no effect on the risk of lung cancer in males and females