Table 1 Selected characteristics of cases and controls, PROtEuS, Montreal, Canada, 2005–2012
From: Occupational exposure to polycyclic aromatic hydrocarbons and risk of prostate cancer
Prostate cancer cases | Controls | |
|---|---|---|
n = 1,924 | n = 1,989 | |
n (%) | n (%) | |
Sociodemographic characteristics | ||
Age (years) | ||
Mean ± sd | 63.6 ± 6.8 | 64.8 ± 6.9 |
Ancestry | ||
Sub-Saharan | 129 (6.7) | 89 (4.5) |
Asian | 24 (1.3) | 72 (3.5) |
French | 1439 (75.0) | 1243 (62.5) |
Other European | 245 (12.5) | 438 (22.0) |
Greater Middle Eastern | 45 (2.3) | 99 (5.0) |
Latino | 29 (1.5) | 31 (1.6) |
Other | 1 (0.1) | 3(0.2) |
Missing | 12 (0.6) | 14 (0.7) |
Educational level | ||
Primary school of less | 448 (23.3) | 427 (21.4) |
High school | 571 (29.6) | 576 (29.0) |
College | 312 (16.2) | 374 (18.8) |
University | 588 (30.6) | 610 (30.7) |
Other | 5(0.3) | 2(0.1) |
Number of years since last prostate cancer screening (PSA and/or DRE) | ||
≤ 2.00 years | 1904 (99.0) | 1509 (75.9) |
2.01 – 5.00 years | 1 (0.1) | 152 (7.5) |
> 5.00 years | 0 (0.0) | 81 (4.1) |
Never screened | 3 (0.2) | 191 (9.6) |
Do not know if ever screened | 2 (0.1) | 29 (1.5) |
Had screening but do not know when | 14 (0.6) | 27 (1.4) |