ALB and breast cancer: Other factors that were known to be related to density had relatively low RW values (Parity = 3.60; Age at menarche = 1.26; Calcium level adjusted to albumin = 1.14; History of estrogen replacement therapy = 0.16; Past history of breast cancer = 0.10; Ovary cancer of family member = 0.02; Breast cancer of family member = 0.01).