Study Designs — Cohort vs Case-Control MCQ — NEET PG Practice Question | NEETPGAI
Study Designs — Cohort vs Case-Control
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A public health researcher in Delhi is investigating the association between occupational dust exposure and chronic obstructive pulmonary disease (COPD) among construction workers. The researcher has identified 500 workers with COPD and 500 workers without COPD, and plans to retrospectively collect data on past dust exposure. What is the most appropriate next step to strengthen the validity of this study design?
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