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A Conceptual Framework for Ordered Logistic Regression Models

Oklahoma State University, Stillwater, andrew.fullerton{at}okstate.edu

Ordinal-level measures are very common in social science research. Researchers often analyze ordinal dependent variables using the proportional odds logistic regression model. However, this ‘‘traditional’’ method is one of many different types of logistic regression models available for the analysis of ordered response variables. In this article, the author identifies 12 distinct models that rely on logistic regression and fit within a framework of three major approaches with variations within each approach based on the application of the proportional odds assumption. This typology provides a degree of conceptual clarity that is missing in the extant literature on logistic regression models for ordinal outcomes. The author illustrates the similarities and differences among the different models with examples from the General Social Survey and the American National Election Study.

Key Words: ordered logit • parallel regression assumption

Sociological Methods & Research, Vol. 38, No. 2, 306-347 (2009)
DOI: 10.1177/0049124109346162


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