Question: 1) Set up a two-by-two table for this data. Calculate the odds ratio. A case control study was conducted in Alabama to find out whether

1) Set up a two-by-two table for this data. Calculate the odds ratio.

A case control study was conducted in Alabama to find out whether exposure to antibiotic during pregnancy resulted in risk of child developing eosinophilic esophagitis. Investigators selected 300 cases of women who has child with eosinophilic esophagitis and 600 controls. The study found that 110 case mothers and 60 control mothers reported using antibiotics during pregnancy.

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