Pearson correlation coefficients between covariates associated with breast cancer mortality in São Paulo State, from 2006 to 2012
| Covariates | V_73 | V_78 | V_99 |
| V_73: Mammography ratio | 1.00 | −0.26 | −0.38 |
| V_78: Percentage of women with private healthcare | −0.26 | 1.00 | 0.49 |
| V_99: Proportion of women in childbearing age who did not have children | −0.38 | 0.49 | 1.00 |