Unformatted text preview: OR ≈ RR 3. Read the article ”Serum levels of perﬂuorooctanoic acid and perﬂuorooctane sulfonate and pregnancy outcome” in the journal ”American Journal of Epidemiology” by Stein, Savitz and Dougan. (use google scholar to ﬁnd it for free). What is the study design used. How is the study population deﬁned? What measure of eﬀect was chosen? Is that measure of eﬀect reasonable in this setting? 1...
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 Spring '11
 RichMacLehose
 Logic, formal proof, rational argument, pregnancy outcome, perfluorooctane sulfonate, Assume r0

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