Table 2 Cumulative risk of false positive recall by participant related factors.
| Screening women | % Cumulative false positive | p>χ2 | OR | 95% CI | OR Adjusted | 95% CI | |||
|---|---|---|---|---|---|---|---|---|---|
| Age at the first screening round | |||||||||
| 50–54 | 2860 | 16.40 | 0.0648 | 1.12 | 0.99 | 1.27 | 1.15 | 1.00 | 1.31 |
| >54 | 5642 | 14.80 | – | 1.00 | – | – | 1.00 | – | – |
| HRT | |||||||||
| Yes | 672 | 15.00 | 0.804 | 0.97 | 0.78 | 1.21 | 0.88 | 0.69 | 1.12 |
| No | 7830 | 15.40 | – | 1.00 | – | – | 1.00 | – | – |
| Menopause | |||||||||
| Perimenopausal | 200 | 22.50 | 0.005 | 1.62 | 1.16 | 2.27 | 1.62 | 1.12 | 2.34 |
| Menopausal | 8302 | 15.20 | – | 1.00 | – | – | 1.00 | – | – |
| BMI | |||||||||
| Overweight or obesity | 5367 | 15.70 | 0.2471 | 1.08 | 0.95 | 1.22 | 1.17 | 1.02 | 1.34 |
| Normal weight | 3135 | 14.80 | – | 1.00 | – | – | 1.00 | – | – |
| Symptomatology | |||||||||
| Yes | 908 | 15.70 | 0.0576 | 1.19 | 0.99 | 1.43 | 0.91 | 0.74 | 1.11 |
| No | 7594 | 15.10 | – | 1.00 | – | – | 1.00 | – | – |
| Personal previous benign breast disease | |||||||||
| Yes | 1219 | 47.80 | <0.0001 | 8.32 | 7.26 | 9.53 | 8.48 | 7.39 | 9.73 |
| No | 7283 | 9.90 | – | 1.00 | – | – | 1.00 | – | – |
| Previous familial breast cancer | |||||||||
| Yes | 978 | 15.20 | 0.9155 | 0.99 | 0.82 | 1.19 | 0.92 | 0.75 | 1.12 |
| No | 7504 | 15.40 | – | 1.00 | – | – | 1.00 | – | – |
HRT, hormone replacement therapy; BMI, body mass index (overweight or obesity, BMI>27.3).