Question
Social And Preventive Medicine Question on Epidemiology
Research is being conducted to find the association between aniline dye exposure and bladder cancer in workers who have worked in the industry for > 20 years. Two groups were formed: one directly involved with dye handling and the other group consisting of office clerks not directly exposed to the dye. Years of occupation were noted from records. What type of study is being performed?
A
Retrospective cohort study
B
Prospective cohort study
C
Case-control study
D
Intervention and response
Answer
Retrospective cohort study
Explanation
Solution
The correct option is (A): Retrospective cohort study