Table 1.

Baseline characteristics of subcohort members, and cases of prostate and bladder cancer in the Netherlands Cohort Study

MenWomen
Prostate cancer casesBladder cancer casesBladder cancer cases
SubcohortNonadvancedAdvancedNoninvasiveInvasiveSubcohortNoninvasiveInvasive
N = 2,057N = 2,397N = 1,294N = 913N = 831N = 2,027N = 140N = 165
aMEDr3.9 (1.6)4.1 (1.6)4.0 (1.6)3.9 (1.6)3.8 (1.6)4.0 (1.6)3.7 (1.5)4.0 (1.6)
mMEDr4.0 (1.5)4.1 (1.5)4.0 (1.5)4.0 (1.5)3.9 (1.5)4.0 (1.5)4.0 (1.3)4.0 (1.4)
Age (years)a61 (7)62 (7)62 (7)62 (7)62 (6)61 (7)61 (7)62 (7)
Current cigarette smokers (%)35.130.130.841.145.021.335.728.5
Cigarette smoking frequency (cig/day)a,b15 (10)15 (10)15 (10)15 (10)20 (15)10 (13)12 (15)12 (14)
Cigarette smoking duration (years)a,b36 (17)34 (19)34 (18)39 (16)40 (15)30 (20)35 (19)35 (19)
Higher vocational education or university (%)19.324.420.920.119.39.57.18.5
Alcohol consumption (g/day)a9.7 (20.9)10.3 (21.3)10.5 (20.1)12.1 (21.7)12.6 (23.9)1.6 (7.8)2.5 (8.7)2.1 (11.1)
Daily energy intake (kcal)2162 (501)2162 (483)2164 (492)2154 (475)2161 (482)1687 (392)1621 (357)1662 (366)
Body mass index (kg/m2)24.9 (2.6)24.9 (2.5)25.0 (2.5)25.1 (2.6)24.9 (2.5)25.0 (3.5)25.1 (3.6)25.1 (3.8)
Non-occupational physical activity (min/day)a62.1 (67.1)66.4 (62.1)64.3 (65.7)62.5 (64.3)63.6 (67.1)54.3 (52.9)53.6 (60.0)55.7 (60.0)
Family history of prostate cancer (%)2.43.63.4NANANANANA
Family history of bladder cancer (%)0.7NANA0.91.01.42.91.8
  • NOTE: The % missing values in the total eligible population was <5% for all variables included in this table, with the exception of cigarette smoking frequency in men. Mean (SD) values are reported unless otherwise specified.

  • aMedian (IQR) values are reported.

  • bMedian (IQR) values for frequency and duration of smoking were based on former and current smokers.