Histological type (%) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
No. | Duct | Lob | Muc | Tub | Med | Other | Unsp | Paget | Sarc | |
Years since first birth a | ||||||||||
DP, < 2 | 83 | 86.7 | 1.2 | 0.0 | 0.0 | 2.4 | 0.0 | 7.2 | 0.0 | 2.4** |
2-5 | 459 | 80.4 | 2.0(**) | 1.1 | 0.2 | 1.1 | 1.1 | 11.8** | 1.5 | 0.9 |
6-9 | 869 | 80.4 | 3.7 | 0.9 | 0.6 | 2.2** | 1.0 | 9.1** | 1.3 | 0.8 |
10-14 | 1789 | 81.6 | 4.8 | 1.0 | 0.5(*) | 1.3 | 0.7 | 8.4** | 1.3 | 0.4 |
15-19 | 2471 | 82.3 | 4.6 | 1.0 | 0.7 | 1.4 | 1.0 | 7.5 | 1.0 | 0.5 |
≥ 20 | 4038 | 83.7 | 5.3* | 1.4 | 1.3** | 1.1 | 0.8 | 4.7(**) | 1.2 | 0.4 |
P-value b | <0.001 | |||||||||
OR, unadj.c | - | 1.1** | 1.1 | 1.5** | 0.89** | 0.97 | 0.81** | 0.97 | 0.81** | |
OR, adjust.c,d | - | 0.91** | 0.94 | 1.2 | 1.2** | 0.94 | 0.84** | 0.97 | 0.93 | |
OR, adjust.c,e | - | 0.93** | 1.0 | 1.3 | 1.2 | 0.96 | 0.83** | 0.94 | 0.93 | |
Years since last birth f | ||||||||||
DP, < 2 | 456 | 81.1 | 1.5(**) | 0.7 | 0.0(**) | 1.1 | 0.2 | 12.5 | 0.9 | 2.0** |
2-5 | 1518 | 80.3 | 3.8 | 0.9 | 0.4(*) | 2.0** | 0.9 | 9.6** | 1.7* | 0.3 |
6-9 | 1654 | 81.6 | 4.2 | 1.0 | 0.8 | 1.5 | 1.0 | 8.2** | 1.4 | 0.4 |
10-14 | 2336 | 82.7 | 5.2 | 1.0 | 0.9 | 1.1 | 0.8 | 7.1** | 0.8(*) | 0.4 |
15-19 | 2166 | 85.0 | 5.0 | 1.3 | 0.8 | 1.1 | 0.8 | 4.3(**) | 1.2 | 0.4 |
≥ 20 | 1282 | 82.2 | 5.7* | 1.5 | 1.4** | 1.4 | 1.1 | 4.5(**) | 1.3 | 0.7 |
P-value b | <0.001 | |||||||||
OR, unadj.c | - | 1.1** | 1.1 | 1.3 | 0.92** | 1.1 | 0.80** | 0.95 | 0.91 | |
OR, adjust.c,d | - | 0.95** | 1.0 | 1.1 | 1.2** | 1.1 | 0.81** | 0.92 | 1.1 | |
OR, adjust.c,e | - | 0.92** | 0.96 | 1.1 | 1.3** | 1.1 | 0.79** | 0.93 | 1.1 |