The table below presents standardized mortality ratios (SMR), and observed and e

Question

The table below presents standardized mortality ratios (SMR), and observed and expected numbers of cancer deaths in women working in a chemical industry from 1975-1985. The expected number of deaths is calculated using the U.S. population data from the 1980 census. Cancer Leukemia Colon Observed SMR 8.2 25.0 18 0.72 Based on this information, one may conclude which of the following about the women in this industry during this time period: These employees are at higher risk of dying of leukemia than women of similar ages in the U.S. population Female employees are 1.34 times more likely to develop leukemia than colon cancer The annual age-adjusted mortality rate of leukemia for female employees is higher than the annual age-adjusted mortality rate for colon cancer These employees are at higher risk of dying of colon cancer than women of similar ages in the U.S. population.

Explanation / Answer

As shown from data the risk of developing leukemia is more than the colon cancer. As Strandised molarity rate is higher for leukemia. Hence option C is correct.

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