QUESTION 1 Many times the epidemiologist is often asked to help with the interpr

Question

QUESTION 1 Many times the epidemiologist is often asked to help with the interpretation of "recent" or "novel" stüdy findings. Which of the following is a good safe-guard in making inferences about disease risk factors or a health-related event occurrence, or to make inferences about what really works to prevent the occurrence? O a. The odds ratio or risk ratio or rate ratio was greater than 2 O b.The study was large and well funded O CThe results of analytic studies reconcile with the descriptive epidemiology O d Neither confounding or selection bias were evident

Explanation / Answer

Many epidemiologists think of confusion as a type of bias. While confusion also produces incorrect estimates of association, confusion can often be adjusted in the analysis in order to eliminate its distorting effects to obtain a more accurate measure of association. The problem of confusion will be addressed in a separate module.

Epidemiologists sometimes use the criterion "they would" to assess the possibility of selection bias: they ask: "If a control had had the disease, would they have probably been included as a case?" If the answer is "yes", then the selection bias is different

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