Hazard ratios and 95% confidence intervals for risk of breast cancer in relation to number of nevi, stratified by hormonal receptor status, E3N cohort (n = 88,387).

Women with missing information on hormone receptor status were excluded from this analysis (n = 1,415).bAdjusted for age (timescale), education, menopausal status, age at menopause (in postmenopausal women), use of MHT (in postmenopausal women), and use of premenopausal progestogens, and stratified according to year of birth in 5-y categories (Model 2).cAdditionally adjusted for personal history of BBD and family history of breast cancer (model used for homogeneity test) (Model 4).