You are an epidemiologist who hypothesizes that the rare exposure of 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 _____.
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) None of the Above
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