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Dr. Lopez wanted to study the potential association between coal mining work and chronic lung disease. He started by selecting 70 men with chronic lung disease who were identified in a screening program through a home-visiting program for seniors in Huntington, WV. 293 men who screened negative for chronic lung disease in the same home-visiting program were selected as controls. On a later visit, nurses asked each man in the study about their occupational history, with detailed information about the type of work they did and for how long. 46 of the men with chronic lung disease reported having worked at least 5 years in coal mines, and 105 of the men without chronic lung disease reported that they had worked at least 5 years in coal mines. a. What study design is this? b. Create, label, and insert the data into a 22 table. Include a "total" column and a "total" row. c. Calculate the odds ratio for the association between a history of coal mine work ( 5 years or more) and chronic lung diease. d. Interpret the odds ratio in a sentence. Dr. Lopez wanted to study the potential association between coal mining work and chronic lung disease. He started by selecting 70 men with chronic lung disease who were identified in a screening program through a home-visiting program for seniors in Huntington, WV. 293 men who screened negative for chronic lung disease in the same home-visiting program were selected as controls. On a later visit, nurses asked each man in the study about their occupational history, with detailed information about the type of work they did and for how long. 46 of the men with chronic lung disease reported having worked at least 5 years in coal mines, and 105 of the men without chronic lung disease reported that they had worked at least 5 years in coal mines. a. What study design is this? b. Create, label, and insert the data into a 22 table. Include a "total" column and a "total" row. c. Calculate the odds ratio for the association between a history of coal mine work ( 5 years or more) and chronic lung diease. d. Interpret the odds ratio in a sentence

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