The odds-ratio denotes a relative effect measure.

If person A has \$100 and person B has \$150, the OR of the money person B has relative to person A is 1.5. This can be interpreted as person B having 150% the money person A has (as much as).

Is it appropriate to subtract 1 in order to interpret how much more person B has?

OR = 1.5
OR difference = 1.5 - 1 = 0.5

This would be interpreted as:

Person B has 50% more money than person A.

Is this a common practice in reporting OR?


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