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THE SEMI-PROPORTIONAL HAZARDS MODEL REVISITED: PRACTICAL REPARAMETRIZATIONS |
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| Authors: | GEIR EGIL EIDE ERNST OMENAAS AMUND GULSVIK |
| Abstract: | Reformulations of the semi-proportional hazards model are outlined making estimation and testing of stratum-covariate interaction effects easily accessible within the framework of the stratified Cox proportional hazards model. The method is illustrated by a practical analysis of variables influencing bronchial responsiveness with data from the Hordaland study of obstructive lung disease. |
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