Question

You are an epidemiologist who hypothesizes that the rare exposure of a living close to power lines by expectant mothers during pregnancy is a potential cause of premature birth, a relatively common pregnancy outcome. (Exposure = “close to power lines”; Outcome = “premature birth”). A _____ design would be best suited for this scenario, because _____. Question 8 options:

A) A cohort study; it is suited to rare exposures, short periods of follow-up and common outcomes

B) A case-control study; it is suited to rare exposures, short periods of follow-up and common outcomes

C) A cohort study; it will allow the epidemiologist to study multiple exposures in addition to a raw-food vegan diet

D) A case-control study; it is suited to studying a variety of outcomes in addition to premature birth

E) A and C

Answer 1

Anwer is E)A  

A)A cohort study :It is suited to rare exposure, short period of follow up and common outcome.