Prior to the first step, the intercept-only model is fitted and individual score statistics for the potential variables are evaluated (Output 39.1.1).In Step 1 (Output 39.1.2), variable li is selected ...

Logistic regression is a powerful statistical method that is used to model the probability that a set of explanatory (independent or predictor) variables predict data in an outcome (dependent or ...

In the first model, where Gall is the only predictor variable (Output 39.9.1), the odds ratio estimate for Gall is 2.60, which is an estimate of the relative risk for gall bladder disease. A 95% ...