Effectiveness of interventions on improving women's breast self-exam practice Practice breast self - examination Control group (n=250) Study group (n=250) Effectiveness of interventions% First time Second time Before After Breast self - examination practice is satisfactory Number (%) 11 (4, 4) 12 (4, 8) 24 (9, 6) 141 (56, 4) +478, 4 p 0, 853 <0, 001 Interpret: After the intervention, both the rate of practicing breast self-examination and the total practice score were higher in the study group than in the control group.