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FMB
Relative Risk analysis
Cohort
Population
Relative
Risk
Outcome
Time
Start
Exposed
Unexposed
Develop
Disease
Doesn’t
Exposed
a
b
Unexposed
c
d
Relative Risk = = =
Risk in Exposed
Risk in Unexposed
a / (a+b)
c / (c+d)
Cohort study
Incidence Rate
in Exposed
Duration
Incidence Rate
in Unexposed
Duration