| Tumor cases | Control cases |
---|---|---|
Numbers | 59 | 11 |
Age ranges | 29 to 81Â years | 33 to 69Â years |
Histological types | 5% Lobular | Â |
 | 95% Ductal | Benign breast lesions |
Grade | 6/8% Low grade | Â |
 | 93/2% High grade | – |
Levels of education | 56% Low level of education | 54% Low level of education |
 | 24% High level of education | 46% high level of education |
 | 20% No education |  |