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Introduction to Categorical Data Analysis

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PROBLEMS 295<br />

Table 9.12. Computer Output for Abortion Survey <strong>Data</strong> of Problem 9.8<br />

Working Correlation Matrix<br />

Col1 Col2 Col3<br />

Row1 1.0000 0.8173 0.8173<br />

Row2 0.8173 1.0000 0.8173<br />

Row3 0.8173 0.8173 1.0000<br />

<strong>Analysis</strong> Of GEE Parameter Estimates<br />

Empirical Standard Error Estimates<br />

Parameter Estimate Std Error Z Pr > |Z|<br />

Intercept −0.1253 0.0676 −1.85 0.0637<br />

question 1 0.1493 0.0297 5.02

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