Public-Health-Data-study-design-The-association-between-job-related-exposure-to-welding-fumes-and-chronic-obstructive-pulmonary-disease-health-and-medicine-homework-help

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The association between job-related exposure to welding fumes and chronic obstructive pulmonary disease (COPD) was explored in a case-control study. The following data were reported for 450 COPD patients:

  • 40 patients were currently employed as welders; the other 410 had no occupational exposure to welding fumes.
  • Among the 900 controls used in the study, 55 were employed as welders.

Set up a 2×2 table and calculate the Odds Ratio

the advantages and disadvantages of the 2×2 table in the context of study design, and specifically as this table can represent associations between exposure and disease status.

 
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