Methods disease cases and smoking h

Methods disease cases and smoking habits were identified in 44,919 twins older than 40 years from the Swedish Twin Registry. Disease was defined as self-reported chronic bronchitis or Emphysema, or recurrent cough with phlegm. Individual who has smoked 10 pack-years or more were defined as smokers. Univariate and bivariate structural equation models were used to estimate the heritability specific for chronic bronchitis and that in common with smoking.

結果 (中文) 1:

方法病例和吸烟习惯被确定在从瑞典的双胞胎登记处年龄超过 40 岁的 44,919 双胞胎。疾病被定义为自我报告的慢性支气管炎或肺气肿或反复咳嗽伴痰。个人有吸烟 10 包年或更多的人被定义为吸烟者。一元和二元结构方程模型用于估算特定治疗慢性支气管炎的遗传，和吸烟一样。

結果 (中文) 3:

方法病例与吸烟习惯在44919对双胞胎从瑞典双胞胎登记年龄超过40岁的鉴定。疾病被定义为自我报告的慢性支气管炎或肺气肿，或反复咳嗽有痰。定义为吸烟者个人抽了10包年或更。一元、二元结构方程模型被用于估计的遗传特异性慢性支气管炎，在共同与吸烟。