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Epidemiologists conducted a study of the relationship between eating fish daily and multiple sclerosis. The relative...

Epidemiologists conducted a study of the relationship between eating fish daily and multiple sclerosis. The relative risk was 0.7. What would the relative risk have been if there was no association between eating fish daily and multiple sclerosis?

Is the answer zero?

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Answer #1

No Answer is ONE.

Explaination:

The relative risk (RR) or risk ratio is the ratio of the probability of an outcome in an exposed group to the probability of an outcome in an unexposed group.

RR = 1 means that exposure does not affect the outcome.
RR < 1 means that the risk of the outcome is decreased by the exposure.
RR > 1 means that the risk of the outcome is increased by the exposure.

Specifically in epidemiology, several other measures of association between categorical variables are used, including relative risk and odds ratio. A relative risk of 1 indicates no association, whereas a relative risk other than 1 indicates an association.

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