| 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 |