Table 1 Baseline characteristics of women with breast cancer and breast cancer-free comparison women aged ⩽60 years at diagnosis in the Breast Cancer Data Base Sweden
Characteristic | Women with breast cancer, N (%) | Breast cancer-free women, N (%) |
|---|---|---|
Total | 19 661 (100) | 81 303 (100) |
Age at diagnosis (years) | ||
Median (IQR) | 50 (45–54) | 50 (45–54) |
Year of diagnosisa | ||
1997–1999 | 3019 (15) | 12 847 (16) |
2000–2004 | 5783 (29) | 24 253 (30) |
2005–2009 | 6717 (34) | 27 298 (34) |
2010–2012 | 4142 (21) | 16 905 (21) |
Education | ||
Low (0–9 years) | 2164 (11) | 10 071 (12) |
Middle (10–12 years) | 8874 (45) | 38 382 (47) |
High (>12 years) | 8585 (44) | 32 660 (40) |
Missing | 38 (0) | 190 (0) |
Unemployment record during the 5 years before diagnosis | ||
No | 15 447 (79) | 62 737 (77) |
Yes | 4214 (21) | 18 566 (23) |
Sick days 1-3 years before diagnosisb | ||
0 | 14 651 (75) | 60 442 (74) |
>0–30 | 1309 (7) | 5570 (7) |
>30–90 | 1551 (8) | 6189 (8) |
>90–180 | 675 (3) | 2830 (3) |
>180–360 | 663 (3) | 2854 (4) |
>360 | 812 (4) | 3418 (4) |
Comorbidity during the 10 years before diagnosis | ||
CCI 0 | 18 856 (96) | 78 198 (96) |
CCI 1 | 433 (2) | 1761 (2) |
CCI 2+ | 372 (2) | 1344 (2) |
Pathological TNM stage | ||
0 (in situ) | 2218 (11) | |
I | 7301 (37) | |
II | 6535 (33) | |
III | 2197 (11) | |
IV | 340 (2) | |
Missing | 1070 (5) |
