Supplemental Figure 1 from Breastfeeding and Mammographic Breast Density: A Cross-sectional Study

Supplemental Figure 1: Flowchart displaying how we arrived at the final analytic sample. Among the women recruited to the study, 127 were missing breastfeeding duration and 32 were missing values for all of the MBD measures. An additional 18 participants were missing values for one of the confounding variables; 11 women were missing age at menarche, 1 woman was missing BMI and 6 women were missing information about family history of breast cancer.