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Complex Samples Cox Regression
Figure 22-18
Cox Regression dialog box, Predictors tab
E Select Estimate, Standard error, Confidence interval,andDesign effect in the Parameters group.
E Deselect Test of proportional hazards and Parameter estimates for alternative mo del in the Model
Assumptions group.
E Click OK.
Tests of Model Effects
Figure 22-19
Tests of model effects
With the addition of the time-dependent predictor, the significance value for age is 0.91, indicating
that its contribution to the model is superseded by that of t_age.