American Statistical Association
New York City
Metropolitan Area Chapter

Mailman School of Public Health
Columbia University
Department of Biostatistics Colloquium



METHODS FOR ASSESSING THE SCALE OF
CONTINUOUS COVARIATES IN REGRESSION MODELING

by

Dr. Stanley Lemeshow
Dean, College of Public Health
Ohio State University
http://ibmr.osu.edu/researchers/slemeshow/


Abstract

Continuous variables are widely used in linear, logistic and Cox proportion hazards regression models. Usually these variables are simply entered "as is" into the model. Doing so, however, assumes a straight-line relationship with the outcome variable. Alternatively, the continuous variable may be grouped into g categories and modeled with g-1 dummy variables. Suppose, instead, that we would like to retain the full information in the measurements but not assume a straight-line relationship. This talk will review three methods for assessing scale for continuous variables in logistic regression models.

Biographical Note

Dr. Lemeshow is Dean of the College of Public Health at The Ohio State University, and, author of four well-known textbooks in biostatistics on survival analysis, sampling of populations, logistic regression, and sample size in health studies.


Date: Monday, March 29, 2010
Time: 12:00 - 1:30 P.M.
Location: Mailman School of Public Health
Allan Rosenfield Building
722 West 168th Street
8th Floor Auditorium
New York, New York

RESERVATIONS ARE NOT REQUIRED


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