Demographics, clinical characteristics and potential factors associated with the choice of treatment by treatment group
| Choice | AS | RP/RT | All |
| n | 451 (100.0) | 837 (100.0) | 1288 (100.0) |
| Age, n (range) | 64 (61–67) | 62 (58–65) | 63 (59–66) |
| Marital status n (%) | |||
| Married or domestic partner | 367 (81.4) | 701 (83.8) | 1068 (82.9) |
| Other | 73 (16.2) | 126 (15.1) | 199 (15.5) |
| Missing | 11 (2.4) | 10 (1.2) | 21 (1.6) |
| Children n (%) | |||
| No children | 36 (8.0) | 70 (8.4) | 106 (8.2) |
| Children | 401 (88.9) | 747 (89.2) | 1148 (89.1) |
| Missing | 14 (3.1) | 20 (2.4) | 34 (2.6) |
| Work status, n (%) | |||
| Not retired | 74 (16.4) | 211 (25.2) | 285 (22.1) |
| Retired | 377 (83.6) | 626 (74.8) | 1003 (77.9) |
| Missing | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Education level, n (%) | |||
| Compulsory school | 143 (31.7) | 208 (24.9) | 351 (27.3) |
| Secondary school | 166 (36.8) | 347 (41.5) | 513 (39.8) |
| University | 128 (28.4) | 265 (31.7) | 393 (30.5) |
| Missing | 14 (3.1) | 17 (2.0) | 31 (2.4) |
| Charlson Comorbidity Index, n (%) | |||
| 0 | 129 (28.6) | 282 (33.7) | 411 (31.9) |
| 1 | 142 (31.5) | 296 (35.4) | 438 (34.0) |
| 2 | 85 (18.8) | 144 (17.2) | 229 (17.8) |
| >2 | 95 (21.1) | 115 (13.7) | 210 (16.3) |
| Psychiatric illness, n (%) | |||
| No | 411 (91.1) | 770 (92.0) | 1181 (91.7) |
| Yes (depression/other) | 40 (8.9) | 67 (8.0) | 107 (8.3) |
| T-stage | |||
| T1ab | 37 (8.2) | 16 (1.9) | 53 (4.1) |
| T1c | 354 (78.5) | 599 (71.6) | 953 (74.0) |
| T2 | 60 (13.3) | 222 (26.5) | 282 (21.9) |
| PSA value at diagnosis, n (%) | |||
| 0–3.0 | 31 (6.9) | 41 (4.9) | 72 (5.6) |
| 3.1–7.0 | 325 (72.1) | 597 (71.3) | 922 (71.6) |
| 7.1–10.0 | 95 (21.1) | 199 (23.8) | 294 (22.8) |
| Method of detection n (%) | |||
| Screening | 228 (50.6) | 481 (57.5) | 709 (55.0) |
| LUTS | 162 (5.7) | 216 (25.8) | 377 (29.3) |
| Other symptoms | 51 (11.3) | 109 (13.0) | 160 (12.4) |
| Missing | 11 (2.4) | 31 (3.7) | 42 (3.3) |
| Alone when being notified of the cancer diagnosis n (%) | |||
| No | 107 (23.7) | 256 (30.6) | 363 (28.2) |
| Yes | 332 (73.6) | 568 (67.9) | 900 (69.9) |
| Missing | 12 (2.7) | 13 (1.6) | 25 (1.9) |
| Sufficient time from diagnosis until treatment decision, n (%) | |||
| No, i wanted a quicker decision | 27 (6.0) | 48 (5.7) | 75 (5.8) |
| Yes | 363 (80.5) | 739 (88.3) | 1102 (85.6) |
| No, i wanted more time to think | 11 (2.4) | 35 (4.2) | 46 (3.6) |
| Missing | 50 (11.1) | 15 (1.8) | 65 (5.0) |
AS, active surveillance; LUTS, lower urinary tract symptoms; PSA, prostate-specific antigen; RP/RT, radical prostatectomy or radiotherapy.