The interpretation of a relative risk equal to 1 suggests: a. An increase in risk b. A decrease in risk c. No increased risk d. None of the above
Understand the Problem
The question is asking for the interpretation of a relative risk value of 1 in a statistical context, specifically concerning risk assessment in epidemiology. A relative risk of 1 indicates that there is no difference in risk between the two groups being compared.
Answer
No difference in risk.
The interpretation of a relative risk equal to 1 suggests no difference in risk between the exposed and unexposed groups.
Answer for screen readers
The interpretation of a relative risk equal to 1 suggests no difference in risk between the exposed and unexposed groups.
More Information
A relative risk (or risk ratio) of 1 indicates that exposure does not affect the likelihood of an outcome. This suggests that the event probability is the same among both exposed and unexposed individuals.
Tips
Confusing relative risk with odds ratio can lead to incorrect interpretations. Both metrics measure risk, but they are calculated and interpreted differently.
Sources
- Principles of Epidemiology | Lesson 3 - Section 5 - CDC Archive - archive.cdc.gov
- Relative Risk - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
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