The incidence density during the study period (t0-t3) is equal to. In a sample of 8 "heavy smokers" Lebanese people followed up over a 3-year period: • After 1 year (t=1) you find 1 new case of lung...

Extracted text: The incidence density during the study period (t0-t3) is equal to. In a sample of 8 "heavy smokers" Lebanese people followed up over a 3-year period: • After 1 year (t=1) you find 1 new case of lung cancer. • After 2 years (t=2) you find: - 3 healthy Lebanese individuals were lost. • After 3 years (end of study) (t=3) you find 2 new cases. The remaining 2 Lebanese individuals had no lung cancer during the study. 0.222 О 0.158 O 0.263 О 0.235