Table 1 Baseline characteristics of 6017 male participants of the Collaborative cohort study at screening and prostate cancer outcome
From: Coffee consumption and prostate cancer risk: further evidence for inverse relationship
| Â | Categories of cups of coffee/day | |||||
|---|---|---|---|---|---|---|
|  | 0 | 1--2 | ≥ 3 | |||
Sample Size | 2,628 | Â | 2,059 | Â | 1,330 | Â |
Person-years of follow up | 65,051 | Â | 54,603 | Â | 35,728 | Â |
Number of Deaths%(n) | 70.3 | (1848) | 64.0 | (1317) | 62.0 | (825) |
Number of men with prostate cancers%(n) | 5.3 | (139) | 5.5 | (114) | 4.9 | (65) |
Gleason grade ≥8 | 48.2 | (39) | 29.9 | (20) | 28.9 | (11) |
Gleason grade =7 | 14.7 | (12) | 20.9 | (14) | 31.6 | (12) |
Gleason grade <7 | 21.0 | (17) | 25.4 | (17) | 18.4 | (7) |
Unknown | 16.1 | (13) | 23.8 | (16) | 21.1 | (8) |
Mean Age (s.d.) | 48.2 | (7.3) | 47.5 | (7.2) | 46.8 | (7.3) |
Mean Height (s.d.) | 171.7 | (6.9) | 173.7 | (7.1) | 174.4 | (6.8) |
Mean Weight (s.d.) | 74.3 | (10.7) | 75.9 | (10.7) | 76.2 | (10.2) |
Mean BMI (s.d.) | 25.2 | (3.2) | 25.1 | (3.0) | 25.0 | (2.9) |
BMI (kg m -2 ),%(n) | ||||||
<25 (Under & Desirable) | 48.7 | (1281) | 49.3 | (1015) | 50.5 | (671) |
25 – <30 (Overweight) | 44.3 | (1163) | 45.3 | (932) | 44.8 | (596) |
≥30 (Obese) | 7.0 | (184) | 5.4 | (112) | 4.7 | (63) |
Alcohol intake (units/week),%(n) | ||||||
0 | 24.2 | (873) | 29.7 | (623) | 36.4 | (396) |
1—10 | 30.7 | (606) | 31.6 | (683) | 26.4 | (451) |
11—21 | 22.0 | (545) | 19.8 | (409) | 20.2 | (259) |
> 21 | 23.2 | (604) | 18.9 | (344) | 17.1 | (224) |
Smoking,%(n) | Â | Â | Â | Â | Â | Â |
Never smoker | 18.4 | (483) | 19.4 | (400) | 15.9 | (211) |
Smoker | 60.5 | (1590) | 53.0 | (1091) | 61.1 | (812) |
Ex-smoker | 21.1 | (555) | 27.6 | (568) | 23.1 | (307) |
Social Class,%(n) | ||||||
I&II | 18.3 | (480) | 41.0 | (847) | 51.1 | (680) |
IIIN | 29.0 | (763) | 15.1 | (310) | 11.0 | (147) |
IIIM | 17.9 | (470) | 20.4 | (417) | 17.1 | (227) |
IV&V | 34.8 | (915) | 23.5 | (485) | 20.8 | (276) |