Binary (proportion/percentage) outcomes are common in medical and scientific research and cannot be validly analysed using basic linear regression analysis. It is important to understand how to analyse these types of outcomes appropriately to ensure useful and valid conclusions are drawn from data. The logistic regression course covers the following key topics:Odds ratios as a means of comparing binary outcomes between two groups How logistic regression allows for other factors within this comparison The basics of logistic regression Model selection and goodness-of-fit with applied examples Interpretation of SPSS output