Table 1

Variables used in the Gail and Claus models

GailClaus
AgeYesYes
First-degree family historyYesYes
(mother, sisters, daughtersa)
Second-degree family historyNoYes
Age at onset in relativesNoYes
Age at menarcheYesNo
Age at first birthYesNo
No. of breast biopsiesYesNo
Atypical hyperplasiaYesNo
Race/ethnicityYesaNo
  • a NSABP-modification.