If a relative risk is 1.5, what does this mean for exposed vs unexposed?

Study for the CJE Community Health Test. Use flashcards and multiple choice questions with detailed explanations for each one. Prepare to excel on your exam!

Multiple Choice

If a relative risk is 1.5, what does this mean for exposed vs unexposed?

Explanation:
A relative risk of 1.5 means the risk in the exposed group is 1.5 times the risk in the unexposed group. That translates to a 50% higher risk for the exposed group, because 1.5 is 0.5 more than 1.0 and 0.5/1.0 equals 50%. For example, if the unexposed risk is 4%, the exposed risk would be about 6%. A relative risk of 1 would mean no difference between groups, and a relative risk of 2 would mean the exposed have twice the risk (100% higher).

A relative risk of 1.5 means the risk in the exposed group is 1.5 times the risk in the unexposed group. That translates to a 50% higher risk for the exposed group, because 1.5 is 0.5 more than 1.0 and 0.5/1.0 equals 50%. For example, if the unexposed risk is 4%, the exposed risk would be about 6%. A relative risk of 1 would mean no difference between groups, and a relative risk of 2 would mean the exposed have twice the risk (100% higher).

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