Smoking and lung cancer in eight cities in China. ================================================= Description ----------- This is a series of 8 2x2 contingency tables showing the co-occurrence of lung cancer and smoking in 8 Chinese cities. Notes ----- :: Number of Observations - 8 Number of Variables - 3 Variable name definitions:: city_name - name of the city smoking - yes or no, according to a person's smoking behavior lung_cancer - yes or no, according to a person's lung cancer status Source ------ Transcribed from Z. Liu, Smoking and Lung Cancer Incidence in China, Intern. J. Epidemiol., 21:197-201, (1992). Copyright --------- Intern. J. Epidemiol. (1992)