Parameter | Cases (n = 563) | Controls (n = 619) | Pvalue |
---|---|---|---|
Age (yr)a | 0.51b | ||
Mean (SD) | 52.40 (7.88) | 52.37 (8.18) | |
Median | 50 | 55 | |
Min/max | 34/70 | 34/70 | |
Selection period | |||
1996 to 1999/2000 to 2007 (n) | 195/368 | 221/398 | 0.72c |
Breast cancer in first-degree familyd (n) | 557 | 615 | |
Yes/no | 104/453 | 54/561 | <0.001c |
Hormone therapy in past 2 yre (n) | 552 | 605 | |
Yes/no | 127/425 | 121/484 | 0.22c |
Alcohol usef | n = 563 | n = 619 | |
Yes/no | 43/520 | 37/582 | 0.26c |
Children (n) | 563 | 619 | |
0/≥1 | 77/486 | 81/538 | 0.80c |