Question

SCENARIO #2: Non-smoking women in Brazil are disproportionally exposed to environmental tobacco smoke exposure in their homes and at work. You want to know if non-smoking Brazilian women exposed to environmental tobacco smoke have increased mortality compared to non-smoking Brazilian women who live and work in smoke-free environments. You’d also like to know if environmental tobacco smoke exposure has an impact on the risk of cardiovascular and cancer deaths among Brazilian women.

What type of study would you conduct and why?

What sampling method would you use?

Answer 1

The given scenario can be analyzed using the Case-control study:

A case-control study is an observational retrospective study in which two groups are compared on the basis of exposure to the cause of disease attributes, at the end of the study, the results are compared with the initial status. The two groups in the study include people that are exposed to certain conditions or diseased and the group includes the people that are not exposed to the condition.

Sampling - Survivor sampling method