Table 3.
Characteristics of subjects according to age at circumcision*, PROtEuS, Montréal, Québec, Canada, 2005–2009
| Variables | Not circumcised (N = 1912) | Circumcised aged ≤35 years (N = 1112) | Circumcised aged ≥36 years (N = 60) | P† |
|---|---|---|---|---|
| Mean (sd) age, years | 64.6 (6.7) | 63.2 (7.1) | 66.4 (5.6) | <0.001 |
| Born in Canada, n (%) | 1280 (67.0) | 905 (81.4) | 44 (73.3) | <0.001 |
| Ancestry, n (%) | ||||
| White | 1604 (84.5) | 946 (86.1) | 51 (85.0) | 0.01 |
| Black | 125 (6.6) | 47 (4.3) | 4 (6.7) | |
| Asian | 69 (3.6) | 26 (2.4) | 0 | |
| Other | 101 (5.3) | 80 (7.3) | 5 (8.3) | |
| Marital status, n (%) | ||||
| Single | 132 (6.9) | 98 (8.8) | 3 (5.0) | 0.54 |
| Married/common-law | 1467 (76.7) | 818 (73.6) | 47 (78.3) | |
| Separated/divorced/widowed | 304 (15.9) | 189 (17.0) | 10 (16.7) | |
| Member of religious order | 8 (0.4) | 7 (0.6) | 0 | |
| Highest level of education, n (%) | ||||
| Elementary school or less | 459 (24.0) | 210 (18.9) | 18 (30.0) | <0.001 |
| High school or more | 1449 (75.8) | 902 (81.1) | 42 (70.0) | |
| First-degree relative with prostate cancer, n (%) | 334 (18.0) | 177 (16.4) | 8 (13.6) | 0.41 |
| Number of female sexual partners, n (%) | ||||
| 1 | 534 (30.1) | 260 (24.9) | 12 (22.2) | 0.07 |
| 2–3 | 315 (17.8) | 176 (16.8) | 13 (24.1) | |
| 4–7 | 322 (18.2) | 208 (19.9) | 8 (14.8) | |
| 8–20 | 355 (20.0) | 235 (22.5) | 13 (24.1) | |
| >20 | 247 (13.9) | 167 (16.0) | 8 (14.8) | |
| Ever had male sexual partner, n (%) | 77 (4.2) | 63 (5.7) | 1 (1.7) | 0.08 |
| Ever had an STI, n (%) | 237 (12.7) | 156 (14.2) | 11 (18.3) | 0.27 |
| Timing of last screening, n (%) | ||||
| ≤2 years | 1675 (89.2) | 975 (88.7) | 50 (83.3) | 0.15 |
| >2 years | 118 (6.3) | 60 (5.5) | 7 (11.7) | |
| never screened | 84 (4.5) | 64 (5.8) | 3 (5.0) | |
| History of prostatitis, n (%) | 209 (11.1) | 93 (8.5) | 6 (10.3) | 0.07 |
| History of diabetes, n (%) | 356 (18.7) | 170 (15.3) | 18 (30.0) | 0.003 |
*
Numbers within table may not sum to overall totals due to missing data.
†
P-values from chi-square tests, except for the P-value for mean age, which was obtained from one-way anova.