Model 2. Every increase in age, there is 1.03 times risk of occurrence of lung cancer (OR=1.03, 95%C.I=1.00-1.07).Family history of cancer among immediate family members also showed strong association with occurrence of lung cancer (OR=23.72, 95%C.I=5.75-98.53). Those respondents who cooked inside the house had 9.76 times risk for occurrence of lung cancer (OR=9.76, 95%C.I=2.30-41.43). Other factors such as fuel used for cooking (such as natural gas, kerosene, coal, wood, animal dung, and charcoal) also showed 3.95 times risk for occurrence of lung cancer. Respondents who were unemployed has 6.99 times risk associated with occurrence with lung cancer (OR=6.99, 95%C.I=1.96-24.99).