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Science
Medicine
Public Health
Measures of Association
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Terms in this set (12)
Cohort uses
relative risk
attributable risk
Cross sectional uses
prevalence
Case control uses
odds ratio
Experimental uses
absolute risk reduction
relative risk reduction
number needed to treat
number needed to harm
Interpret odds ratio
the odds have having the disease and being exposed are "x" times the odds of NOT having the disease and having the exposure
Interpret attributable risk
"x" excess cases per 1000 persons exposed
Interpret relative risk
exposed is equal to "x" times more likely to develop the disease compared to unexposed
Math for attributable risk
(a / a + b) - (c / c + d)
Math for relative risk
(a / a + b) / (c / c + d)
Math for odds ratio
ad / bc
Math for absolute risk reduction
(c / c + d) - (a / a + b)
Math for relative risk reduction
1 - RR
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