Question

large body of evidence in the world that smoking is the cause
of numerous life-threatening diseases such as cardiovascular and
pulmonary diseases along with different kinds of cancer. Despite the
warnings given in the media and press, the number of smokers is
escalating day by day. A case study conducted on 117 male students
aging from19 to 27 years old. The 88 smokers had a history of consuming
at least 5 cigarettes a day for at least 2 years. The case with lung cancer
for smokers is 33 and 2 for non-smokers. Calculate the ratio of incidence
of the disease among the exposed and incidence among the nonexposed
and the amount or proportions of disease that can be attributed
to a specific exposure. Discuss your results and recommendations.

Answer 1