Variable Categories | Type of variables | Collection source |
Sociodemographic data | Age, level of education, marital status, type of employment, age at menarche | Interview |
Clinical data | Family history related to breast cancer, location of breast cancer, clinical stage, type of treatment and presence or absence of metastases | Interview and medical file |
Anthropometric data | Weight, height, body mass index (BMI) | Measured by investigators using a balance and scale |
Behavioural data | Alcohol consumption, tobacco consumption, fruit/vegetable consumption, physical activity, breast-feeding, use of contraceptives, physical inactivity | Interview |