Characteristics | Cases | Controls | P |
---|---|---|---|
Number | 351 | 351 | Â |
Age, years; mean (SD) | 64.9 (0.35) | 64.9 (0.35) | 1.00b |
 < 65; n (%) | 180 (51.3%) | 180 (51.3%) |  |
 ≥ 65; n (%) | 171 (48.7%) | 171 (48.7%) | 1.00a |
Family history of prostate cancer; n (%) | 13 (3.7%) | 4 (1.1%) | 0.027a |
Alcohol consumption, g/week; mean (SD) | 151.6 (192.4) | 196.0 (207.2) | < 0.001b |
Smoking status; n (%) | |||
 Never | 126 (35.9%) | 108 (30.8%) |  |
 Ever | 225 (64.1%) | 243 (69.2%) | 0.15a |
 Current smoker | 55 (15.7%) | 67 (19.1%) | 0.23a |
 Ex-smoker | 170 (48.4%) | 176 (50.1%) | 0.65a |
BMI, kg/m2; mean (SD) | 23.8 (0.14) | 23.8 (0.13) | 1.00b |
Total HAA intake, ng/day; mean (SD) | 46.5 (1.6) | 38.2 (1.7) | < 0.001b |
 Trp-P-1 intake | 3.9 (0.23) | 3.1 (0.19) | < 0.001b |
 IQ intake | 0.32 (0.021) | 0.27 (0.018) | 0.012b |
 MeIQ intake | 5.9 (0.21) | 4.8 (0.17) | < 0.001b |
 MeIQx intake | 6.4 (0.21) | 5.2 (0.20) | < 0.001b |
 4,8-DiMelQx intake | 0.41 (0.34) | 0.36 (0.33) | 0.10b |
 7,8-DiMelQx intake | 1.6 (0.14) | 1.4 (0.14) | 0.06b |
 PhIP intake | 28.2 (0.98) | 23.3 (0.93) | < 0.001 b |
Total energy intake, kcal/day; mean (SD) | 1869.2 (567.8) | 1789.3 (519.9) | 0.30b |
Meat intake, g/day; mean (SD) | 59.9 (41.0) | 50.2 (36.1) | 0.84b |
Red meat intake, g/day; mean (SD) | 47.3 (33.8) | 37.6 (31.0) | 0.87b |
Processed meat intake, g/day; mean (SD) | 7.1 (7.9) | 6.3 (8.6) | 0.42b |
Fish intake, g/day; mean (SD) | 84.2 (58.3) | 77.4 (62.8) | 0.51b |
Vegetable intake, g/day; mean (SD) | 88.7 (68.4) | 82.7 (73.2) | 0.24b |
NaCl intake, g/day; mean (SD) | 10.1 (4.5) | 9.2 (4.1) | 0.79b |
Participants with preference on meat cooked level as well done or very well done (%) | 33 (50.7%) | 26(44%) | 0.40a |
Participants with preference on eating almost all of grilled fish skin (%) | 71 (50.4%) | 70 (49.6%) | 0.99a |