\"Asbestos represents on of the most heavily studied occupational and environmen

Question

"Asbestos represents on of the most heavily studied occupational and environmental hazards of human history." Beh and Smith (2011) review the use of odds ratio (OR) within the subdiscipline of occupational exposure. The concept of 'risk' with respect to a particular exposure has been and continues to be a fundamental standard measurement for assessing a "hazard." ORs are regularly used to approximate relative risk (RR).

The table below is a hypothetical subset of workers involved in the industrial manufacturing for 6 months or more between the years of 1940 - 1970. We are looking at the exposure of the worker to asbestos in the workplace and if they developed asbestosis during their lifetime.

Calculate the odds ratio and round your answer to two decimal places

I calculated it to be (11,153/3,070)/(7,850/4,788)=2.2158 but I'm unsure if I did it correctly

Explanation / Answer

OR = ad/bc = (11,153 x 4,788)/(7,850 x 3,070) = 2.2158 = 2.22 (rounded off to two decimal places)

P.S. Your answer is correct.

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