Ok, so in a logistic regression context, I need to test if the probability of ##Y_{i}=1 ## is the same for two different groups at different ages where age is a continuous variable.(adsbygoogle = window.adsbygoogle || []).push({});

This is actually complicated because of nonlinearity. Can I default to testing if the odds of ##Y_{i}=1 ## is the same for both groups?

Or there is no one to one correspondence between the probability and odds?

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# A Testing if probability is the same for two groups

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