Assess occupational exposure to dioxin

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Reference no: EM133615093

Assignment:

A study was conducted to assess occupational exposure to dioxin (a by-product of pesticide production) and lung cancer, hypothesizing that occupational exposure to dioxin among workers would increase the risk of lung cancer in their later lives compared to workers without occupational exposure to dioxin. You suspect that smoking may be a confounder of this relationship between dioxin and lung cancer, thus you stratify your data by smoking status. The overall crude RR for dioxin and lung cancer is 2.42. Your stratum-specific RR for smokers is 2.43, and your stratum-specific RR for non-smokers is 2.41. Is this a case-control, cohort, or cross-sectional study?

Reference no: EM133615093

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