The odds ratio (95% confidence interval) for the association between risk factor
ID: 3247743 • Letter: T
Question
The odds ratio (95% confidence interval) for the association between risk factor X and disease Y is 1.73 (1.50 – 2.00). Which of the following is true?
X is associated with a reduced risk of Y
The association between X and Y in this study is statistically significant
The association between X and Y in this study is very strong
The association is causal
X is associated with a reduced risk of Y
The association between X and Y in this study is statistically significant
The association between X and Y in this study is very strong
The association is causal
Explanation / Answer
Answer
The association between X and Y in this study is very strong.
Explanation Odds ratio are used to compare the relative odds of the occurence of the outcome of interest (eg. Disease or disorder), given exposure to the variable of interest. The odds ratio are also used to compare the magnitude of various risk factors for an outcome.
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