Effectiveness in improving women's general knowledge of breast cancer General knowledge about BC Control group (n=250) Study group (n=250) Effectiveness of interventions% First time Second time Before After General knowledge is satisfactory Number (%) 91 (36, 4) 102 (40, 8) 81 (32, 4) 205 (82, 0) +141, 0 p 0, 101 <0, 001 Total knowledge score Mean ± SD 20, 0 ±3, 74 20, 9 ±3, 47 19, 9 ±3, 58 25, 8 ±3, 72 +25, 1 p <0, 001 <0, 001 Interpret: After the intervention, both the rate of general knowledge and total knowledge score was higher in the study group than in the control group.