Risk Factors for Chronic Mastitis in Morocco and Egypt
Figure 2
Graphical depiction of interaction terms Parity*Contraception and Parity*Breastfed all children. (a) Interaction of parity by contraception and (b) interaction of parity by breastfed all children. In both figures, blue line is in the presence of the interaction term, and red line is in the absence of the interaction term.