Table 5 Linear regression results for the 5-year and lifetime risks
From: Assessment of breast cancer risk among Iraqi women in 2019
R-value | R2-value (%) | Standard error | P value | |
|---|---|---|---|---|
5-year risk | ||||
Age | 0.615 | 37.8 | 0.8156 | < 0.001 |
Age of menarche | 0.23 | 5.3 | 1.0065 | < 0.001 |
Age at first birth | 0.027 | 0.1 | 1.03387 | 0.369 |
Number of biopsies | 0.124 | 1.5 | 1.02626 | < 0.001 |
Race | 0.013 | 0 | 1.03417 | 0.676 |
First degree relatives | 0.546 | 29.8 | 0.8666 | < 0.001 |
Menopause | 0.459 | 21.1 | 0.9189 | < 0.001 |
Using of contraceptives | 0.044 | 0.2 | 1.033253 | 0.145 |
Monthly income | 0.025 | 0.1 | 1.03393 | 0.406 |
Smoking | 0.158 | 2.5 | 1.021231 | 0 |
Physical activity | 0.055 | 0.3 | 1.032702 | 0.07 |
Lifetime risk | ||||
Age | 0.336 | 11.3 | 6.4536 | 0 |
Age of menarche | 0.202 | 4.1 | 6.7098 | 0.003 |
Age at first birth | 0.177 | 3.1 | 6.7427 | 0.01 |
Number of biopsies | 0.002 | 0 | 6.851421 | 0.978 |
Race | 0.047 | 0.2 | 6.84376 | 0.497 |
First degree relatives | 0.753 | 56.8 | 4.50556 | 0 |
Menopause | 0.280 | 7.8 | 6.57707 | 0 |
Using of contraceptives | 0.065 | 0.4 | 6.83704 | 0.353 |
Monthly income | 0.081 | 0.7 | 6.828912 | 0.245 |
Smoking | 0.079 | 0.6 | 6.829924 | 0.256 |
Physical activity | 0.067 | 0.4 | 6.836088 | 0.337 |