Question

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D Question 5 1 pts A study was conducted to assess the association between benzene exposure and leukemia. 40,000 workers occupationally exposed to benzene and 52,000 workers not occupationally exposed to benzene were followed for 10 years. At the end of the ten years, there were 792 cases of leukemia among benzene-exposed workers and 92 cases among the unexposed workers. Before you begin answering the questions, use the information above to fill in the following contingency table: EXPOSUREDISEASE TOTAL 40,000 52,000 92,000 YES NO YES NO TOTAL 884 91,116 Which of the following is an advantage of this type of study? O A. It's inexpensive. OB. It's practical for rare diseases. 0) c.lt permits direct observation of risk. D. Attrition is beneficial.

Answer 1

5) This study permitted firect observation of the risk for workers who are at risk of getting Leukaemia

6)The association between getting the disease was considerably acceptable.Because people who were exposed to the benzene are most likely to get the disease

9)The statistics shows that nearly 0.96% (884÷92000×100) are leukemic totally

Non exposed workers are at risk of 0.18% (72÷50000×100)

Exposed Workers are at risk of 1.98% (792÷40000×100)