| Variable | Illiterate | Basic | Secondary | University | Total |
| Inheritance in BC |
|
|
|
| |
| Yes | 22 | 38 | 62 | 130 | 252 |
| No | 63 | 56 | 73 | 283 | 475 |
| Total | 85 | 98 | 135 | 411 | 727 |
| Early puberty and late menopause are risk factors for BC |
|
| |||
| Increase the risk of BC | 19 | 39 | 34 | 140 | 233 |
| Decrease the risk of BC | 17 | 18 | 31 | 57 | 123 |
| Do nothing | 51 | 44 | 74 | 228 | 397 |
| Total | 87 | 101 | 139 | 425 | 753 |
| Delayed childbirth is a risk |
|
|
|
| |
| Increase the risk of BC | 14 | 33 | 32 | 110 | 189 |
| Decrease the risk of BC | 27 | 31 | 24 | 56 | 138 |
| Do nothing | 46 | 38 | 83 | 260 | 428 |
| Total | 87 | 102 | 139 | 424 | 754 |
| Natural breastfeeding |
|
|
|
| |
| Increase the risk of BC | 7 | 20 | 11 | 33 | 71 |
| Decrease the risk of BC | 33 | 61 | 100 | 320 | 516 |
| Do nothing | 47 | 20 | 28 | 71 | 166 |
| Total | 87 | 101 | 139 | 423 | 752 |
| Hormone usage |
|
|
|
| |
| Increase the risk of BC | 20 | 41 | 59 | 179 | 300 |
| Decrease the risk of BC | 15 | 27 | 37 | 73 | 153 |
| Do nothing | 51 | 32 | 42 | 169 | 294 |
| Total | 86 | 100 | 138 | 421 | 747 |