1Cox proportional hazards regression model with age as the time metric and stratified by age at baseline; adjusted for race-ethnicity/birthplace, family
history of breast cancer, age at menarche, parity/age at first full-term pregnancy, average daily caloric intake, physical activity, socioeconomic status, history of
a benign breast biopsy and its interaction with time-dependent age, BMI, height, menopausal status/hormone therapy use, and the other 4 dietary patterns. 2 Likelihood ratio test for trend across dietary pattern quintiles by using an ordinal variable coded as the median value of the quintile.