Dichotomizing continuous predictors in multiple regression: a bad idea.
In medical research, continuous variables are often converted into categorical variables by grouping values into two or more categories. We consider in detail issues pertaining to creating just two groups, a common approach in clinical research. We argue that the simplicity achieved is gained at a c...
| Main Authors: | , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2006
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