The LOGISTIC procedure is specifically designed for logistic regression. For dichotomous outcomes, it performs the usual logistic regression and for ordinal outcomes, it fits the proportional odds ...

The LOGISTIC and PROBIT procedures treat all response variables with more than two levels as ordinal responses and fit the proportional odds model. The GENMOD procedure fits this model with a link ...

Thomas R. Fears, Charles C. Brown, Logistic Regression Methods for Retrospective Case-Control Studies Using Complex Sampling Procedures, Biometrics, Vol. 42, No. 4 ...