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How to interpret odds ratio in logistic regression with multiple levels in independent variable?

CSS

Hi,

I am new to JMP and was getting confused in the interpretation of the odds ratio table while conducting a logistic regression.

Accepted answers

Mark_Bailey

It appears as text immediately under the Odds Ratio outline title bar: "For Contol odds of 1 versus 0." The odds are therefore the probability of the response = 1 versus the probably of the response = 0.

All comments

Mark_Bailey

Please show the JMP output that includes these odds ratios. I would include the entire window if possible. It includes diagnostic information as well.

CSS

Sure, I have attached a screenshot.

Mark_Bailey

The Age Range effects are not significant. The odds ratios for the Age Range levels are not different from 1.

CSS

Thanks for the reply!
I get that, I additionally wanted to know which level (level 1 or level 2) is the reference level here?