Odds ratios and 95% confidence intervals for number of nevi in relation to history of benign breast disease, E3N cohort.

aAdjusted for age at cohort inclusion, age at last returned questionnaire, education, menopausal status, age at menopause (in postmenopausal women), use of MHT (in postmenopausal women), use of premenopausal progestogens, and family history of breast cancer.