Table 6

Knowledge of risk factors of lung cancer

Risk factorRecall (open question)Recognition (prompted list)
Exposure to radon gas0088159.4
Cigarette smoke exposure19112.8127185.6
Past cancer treatment0093763.2
Close relative with lung cancer60.487559.0
Exposure to chemicals for example asbestos24316.4132489.2
Past history of cancer, for example head and neck20.197065.3
Air pollution1067.2111475.1
Being a smoker125684.6138793.5
History of lung disease, for example COPD60.4105571.1
  • COPD, chronic obstructive pulmonary disease.