@article{che07bia,
  title = {Biased Odds Ratios from Dichotomization of Age},
  volume = {26},
  journal = {Stat Med},
  author = {Chen, Henian and Cohen, Patricia and Chen, Sophie},
  year = {2007},
  keywords = {categorization,continuous-variables,dichtomization,cutpoint},
  pages = {3487-3497},
  citeulike-article-id = {13265612},
  posted-at = {2014-07-14 14:10:00},
  priority = {0},
  annote = {problems with dichotomizing continuous confounder variable;odds ratio;age;confounding;logistic regression;categorization;cutpoint;the further a cutpoint is from the median for the confounder the greater then increase in OR in the exposure}
}

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