Table 1 Descriptive characteristics of male breast cancer cases and controls participating in the study
From: Infertility and risk of breast cancer in men: a national case–control study in England and Wales
Characteristic | Cases | Generations study husband controls | Non-blood relative controls | All controls | ||||
|---|---|---|---|---|---|---|---|---|
No. | % | No. | % | No. | % | No. | % | |
Index age (years)a | ||||||||
< 40 | 47 | (2.4) | 8 | (0.8) | 76 | (12.4) | 84 | (5.3) |
40–9 | 159 | (8.0) | 13 | (1.3) | 135 | (22.1) | 148 | (9.3) |
50–9 | 385 | (19.2) | 118 | (12.0) | 165 | (26.9) | 283 | (17.7) |
60–9 | 729 | (36.5) | 564 | (57.3) | 162 | (26.4) | 726 | (45.5) |
70–9 | 678 | (33.9) | 281 | (28.6) | 75 | (12.2) | 356 | (22.3) |
Socio-economic group (ACORN)b | ||||||||
1 (highest) | 710 | (35.5) | 594 | (60.4) | 271 | (44.2) | 865 | (54.2) |
2 | 120 | (6.0) | 35 | (3.5) | 25 | (4.1) | 60 | (3.8) |
3 | 633 | (32.2) | 279 | (28.4) | 204 | (33.3) | 483 | (30.2) |
4 | 318 | (15.9) | 57 | (5.8) | 77 | (12.5) | 134 | (8.4) |
5 (lowest) | 183 | (9.2) | 12 | (1.2) | 32 | (5.2) | 44 | (2.7) |
Uncategorisedc | 24 | (1.2) | 7 | (0.7) | 4 | (0.7) | 11 | (0.7) |
Region of residence | ||||||||
North | 375 | (18.8) | 172 | (17.5) | 91 | (14.5) | 263 | (16.5) |
North-West | 368 | (18.4) | 193 | (19.6) | 98 | (15.6) | 291 | (18.2) |
Mids, East and Wales | 379 | (18.9) | 154 | (15.7) | 131 | (20.9) | 285 | (17.8) |
London & SE | 465 | (23.3) | 270 | (27.4) | 159 | (25.3) | 429 | (26.9) |
South West | 411 | (20.6) | 195 | (19.8) | 149 | (23.7) | 344 | (21.6) |
Year of interview | ||||||||
2007–9 | 447 | (22.4) | 214 | (21.7) | 229 | (37.4) | 443 | (27.7) |
2010–14 | 807 | (40.4) | 533 | (54.2) | 245 | (40.0) | 778 | (48.7) |
2015–20 | 744 | (37.2) | 237 | (24.1) | 139 | (22.7) | 376 | (23.6) |
Marital status | ||||||||
Married or cohabiting | 1600 | (80.1) | 984 | (100.0) | 556 | (90.7) | 1540 | (96.4) |
Not married | 398 | (19.9) | 0 | (0.0) | 57 | (9.3) | 57 | (3.6) |
Year of diagnosis | ||||||||
2005–9 | 682 | (34.1) | ||||||
2010–14 | 851 | (42.6) | ||||||
2015–17 | 465 | (23.3) | ||||||
Breast cancer | ||||||||
Invasive | 1838 | (92.0) | ||||||
In situ | 160 | (8.0) | ||||||
ER | ||||||||
+ ve | 1844 | (92.3) | ||||||
− ve | 28 | (1.4) | ||||||
Not known | 126 | (6.3) | ||||||
Total | 1998 | (100) | 984 | (100) | 613 | (100) | 1597 | (100) |