From: Occupation, industry, and the risk of prostate cancer: a case-control study in Montréal, Canada
Variable | Controls (n = 1994) | Cases | ||
---|---|---|---|---|
All (n = 1937) | Low gradea (n = 1405) | High gradeb (n = 524) | ||
Age at diagnosis or interview in years, n (%) | ||||
< 60 | 446 (22.4) | 523 (27.0) | 414 (29.5) | 107 (20.4) |
≥ 60 and <65 | 450 (22.6) | 486 (25.1) | 351 (25.0) | 131 (25.0) |
≥ 65 and <70 | 522 (26.2) | 498 (25.7) | 347 (24.7) | 150 (28.6) |
≥ 70 and ≤75 | 576 (28.9) | 430 (22.2) | 293 (20.9) | 136 (26.0) |
Ancestry, n (%) | ||||
European | 1685 (84.5) | 1696 (87.6) | 1234 (87.8) | 455 (86.8) |
Sub-Saharan | 90 (4.5) | 130 (6.7) | 99 (7.0) | 30 (5.7) |
Asian | 73 (3.7) | 24 (1.2) | 15 (1.1) | 9 (1.7) |
Greater Middle East | 99 (5.0) | 45 (2.3) | 32 (2.3) | 13 (2.5) |
Other | 33 (1.7) | 30 (1.5) | 18 (1.3) | 12 (2.3) |
Don’t know | 14 (0.7) | 12 (0.6) | 7 (0.5) | 5 (1.0) |
First-degree family history of PCa, n (%) | ||||
No | 1739 (87.2) | 1419 (73.3) | 1008 (71.7) | 405 (77.3) |
Yes | 199 (10.0) | 452 (23.3) | 351 (25.0) | 100 (19.1) |
Don’t know | 56 (2.8) | 66 (3.4) | 46 (3.3) | 19 (3.6) |
Date of last screening for PCa before diagnosis or interview, n (%) | ||||
≤ 2 years | 1510 (75.7) | 1917 (99.0) | 1388 (98.8) | 521 (99.4) |
> 2 years | 235 (11.8) | 1 (0.1) | 1 (0.1) | 0 (0.0) |
No/Never | 191 (9.6) | 3 (0.2) | 2 (0.1) | 1 (0.2) |
Don’t know | 58 (2.9) | 16 (0.8) | 14 (1.0) | 2 (0.4) |
Annual household income in CAD$, n (%) | ||||
< 10,000–29,999 | 497 (24.9) | 490 (25.3) | 323 (23.0) | 167 (31.9) |
30,000–79,999 | 872 (43.8) | 874 (45.1) | 640 (45.6) | 228 (43.5) |
80,000 and more | 428 (21.5) | 426 (22.0) | 343 (24.4) | 81 (15.5) |
Prefers not to respond | 186 (9.3) | 132 (6.8) | 91 (6.5) | 41 (7.8) |
Don’t know | 9 (0.5) | 15 (0.8) | 8 (0.6) | 7 (1.3) |
Highest level of education attained, n (%) | ||||
Primary | 428 (21.5) | 449 (23.2) | 312 (22.2) | 136 (26.0) |
Secondary/College | 953 (47.8) | 891 (46.0) | 629 (44.8) | 259 (49.5) |
University | 611 (30.7) | 592 (30.6) | 461 (32.8) | 127 (24.3) |
Don’t know | 1 (0.1) | 4 (0.2) | 3 (0.2) | 1 (0.2) |
Self-reported level of physical activity at work or leisure, n (%) | ||||
Not very active | 151 (7.6) | 127 (6.6) | 84 (6.0) | 43 (8.2) |
Moderately active | 753 (37.8) | 682 (35.2) | 516 (36.7) | 160 (30.5) |
Very active | 1089 (54.6) | 1128 (58.2) | 805 (57.3) | 321 (61.3) |
Cigarette pack-years, n (%) | ||||
Zero | 544 (27.3) | 542 (28.0) | 404 (28.8) | 136 (26.0) |
> 0–15.1 | 441 (22.1) | 498 (25.7) | 381 (27.1) | 114 (21.8) |
> 15.1–39.4 | 524 (26.3) | 420 (21.7) | 296 (21.1) | 122 (23.3) |
> 39.4–223 | 474 (23.8) | 458 (23.6) | 313 (22.3) | 144 (27.5) |
Don’t know | 11 (0.6) | 19 (1.0) | 11 (0.8) | 8 (1.5) |
Alcohol drink-years, n (%) | ||||
Zero | 231 (11.6) | 214 (11.0) | 157 (11.2) | 56 (10.7) |
> 0–24.4 | 575 (28.8) | 548 (28.3) | 413 (29.4) | 133 (25.4) |
> 24.4–76 | 569 (28.5) | 553 (28.5) | 408 (29.0) | 143 (27.3) |
> 76–2660 | 577 (28.9) | 545 (28.1) | 376 (26.8) | 166 (31.7) |
Don’t know | 42 (2.1) | 77 (4.0) | 51 (3.6) | 26 (5.0) |
Body-mass index, 2 years before diagnosis or interview, in kg/m2, n (%) | ||||
≤ 24.2 | 477 (23.9) | 502 (25.9) | 362 (25.8) | 137 (26.2) |
> 24.2–26.5 | 492 (24.7) | 512 (26.4) | 373 (26.5) | 137 (26.2) |
> 26.5–29.2 | 477 (23.9) | 479 (24.7) | 362 (25.8) | 116 (22.2) |
> 29.2 | 535 (26.8) | 431 (22.3) | 299 (21.3) | 130 (24.9) |
Don’t know | 13 (0.7) | 12 (0.6) | 9 (0.6) | 3 (0.6) |