Table 3

Maternal history of breast cancer as recorded in the subject’s and mother’s medical recordsa

Mother’s history of breast cancer recorded in the mother’s medical recordb
Cases (%)Controls (%)
No n = 160Yes n = 24No n = 183Yes n = 6
Mother’s breast cancer recorded in the subject’s medical record
No153 (96)4 (17)183 (100)2 (33)
Yes7 (4)19 (83)0 (0)4 (67)
  • a OR, 4.0 (3.42–4.58) using mother’s medical record; OR, 6.4 (5.92–6.88) using subject’s medical record.

  • b Unknowns excluded.