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Table 6 %PurposefulSelection macro variables.

From: Purposeful selection of variables in logistic regression

DATASET Input data set
OUTCOME Main outcome (Y)
COVARIATES All covariates (X1...X j )
PVALUEI Inclusion criteria for multivariate model
PVALUER Retention criteria for multivariate model
CHBETA % change in parameter estimate indicating confounding
PVALUENC Inclusion criteria for non-candidate