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1.Here
are the guidelines for calculating a confidence interval for 2
independent samples and the risk ratio as the parameter of interest.
2.As
seen, the parameter of interest, the risk ratio, is the ratio of the
incidence proportion of the 2 groups being compared.
3.Note
that calculation of the confidence interval requires an additional step
of performing a calculation in natural logarithm scale, and then doing a
transformation.
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