Which of the following statements is false? The OR cannot be a negative number.

ID: 3227241 • Letter: W

Question

Which of the following statements is false?

The OR cannot be a negative number.

If OR = 0, that means there are no differences between the two odds that are compared.

If OR = 2.5 that means the odds in favor of the outcome for the group in the numerator is 2.5 times that of the group in the denominator.

OR = exp(logit) (from a logistic regression model)

The OR cannot be a negative number.

If OR = 0, that means there are no differences between the two odds that are compared.

If OR = 2.5 that means the odds in favor of the outcome for the group in the numerator is 2.5 times that of the group in the denominator.

OR = exp(logit) (from a logistic regression model)

But is false. Because if OR is 0 then it s does not mean that there is no difference. There can be difference and still OR be 0

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