O'Reilly logo

Categorical Data Analysis Using The SAS® System, 2nd Edition by Gary G. Koch, Charles S. Davis, Maura E. Stokes

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

8.2. Dichotomous Explanatory Variables

8.2.1. Logistic Model

Table 8.1 displays the coronary artery disease data that were analyzed in Chapter 3, “Sets of 2 × 2 Tables.” Recall that the study population consists of people who visited a clinic on a walk-in basis and required a catheterization. The response, presence of coronary artery disease (CA), is dichotomous, as are the explanatory variables, sex and ECG. These data were analyzed in Section 3.3.2 with Mantel-Haenszel methods; also, odds ratios and the common odds ratio were computed. Recall that ECG was clearly associated with disease status, adjusted for gender.

Table 8.1. Coronary Artery Disease Data
SexECGDiseaseNo DiseaseTotal
Female< 0.1 ST segment depression41115
Female≥0.1 ST segment ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required