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In an industry employing 10,000 people, 2500 were employed in areas where they were exposed to...

  1. In an industry employing 10,000 people, 2500 were employed in areas where they were exposed to pesticides, while the remaining 7500 were not exposed. At the beginning of the study, all employees were free of disease. The entire population of 10,000 was followed for 10 years to determine whether exposure to pesticides increased the risk of developing a particular disease. For this disease, the findings were present in the following table:

The results of a hypothetical study of the effects of pesticide exposure.

The

  1. Calculate the incidence proportion for disease in the exposed workers (0.5 points)
  2. Calculate the incidence proportion for disease in the unexposed workers (0.5 points)
  3. Calculate the incidence proportion for disease in all workers combined (0.5 points)
  4. Calculate the relative risk of this disease in those exposed to pesticides. (0.5 points)
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