Which statement is true about RR values for a negative outcome?

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Multiple Choice

Which statement is true about RR values for a negative outcome?

Explanation:
Relative risk compares how likely the adverse outcome is in those exposed to a factor versus those not exposed. When the outcome is negative, a value below 1 means the exposure lowers the risk of that adverse outcome. For example, if the exposed group has a 5% risk and the unexposed group has a 10% risk, the RR is 0.5, showing decreased risk with exposure. If RR is greater than 1, the exposure increases risk; if RR equals 1, there is no difference in risk between groups. Therefore, the statement that RR less than 1 indicates decreased risk in the exposed group is true.

Relative risk compares how likely the adverse outcome is in those exposed to a factor versus those not exposed. When the outcome is negative, a value below 1 means the exposure lowers the risk of that adverse outcome. For example, if the exposed group has a 5% risk and the unexposed group has a 10% risk, the RR is 0.5, showing decreased risk with exposure. If RR is greater than 1, the exposure increases risk; if RR equals 1, there is no difference in risk between groups. Therefore, the statement that RR less than 1 indicates decreased risk in the exposed group is true.

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