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Table 1 Baseline Characteristics of Prostate Cancer Cases and Cohort and by Tertiles of Dietary Cadmium Intake of the Cohort in the Diet, Cancer and Health Study, 1993-97

From: Dietary cadmium intake and risk of prostate cancer: a Danish prospective cohort study

    Cohort (N = 26,778)
Baseline Characteristics Cases (N = 1,567) Cohort (N = 26,778) <14 μg Cd/day 14-18 μg Cd/day >18 μg Cd/day
  N (%)    
Educational level      
Low 540 (35) 9,315 (35) 3,266 (37) 3,095 (35) 2,954 (33)
Medium 633 (40) 11,126 (41) 3,872 (43) 3,779 (42) 3,475 (39)
High 394 (25) 6,337 (24) 1,787 (20) 2,053 (23) 2,497 (28)
Smoking      
Never 427 (27) 6,868 (26) 2,115 (24) 2,287 (26) 2,466 (28)
Former 580 (37) 9,282 (34) 2,916 (32) 3,120 (35) 3,246 (36)
Current 560 (36) 10,628 (40) 3,894 (43) 3,520 (39) 3,214 (36)
  Median (5-95%), mean Median (mean)
Age (years) 58 (51–65), 58 56 (51–64), 57 56 (57) 56 (57) 56 (57)
BMI (kg/m2) 26 (22–32), 26 26 (21–33), 27 27 (27) 26 (27) 26 (26)
Waist-to-hip ratio 0.95 (0.86-1.06), 0.96 0.95 (0.86-1.06), 0.96 0.96 (0.96) 0.95 (0.96) 0.94 (0.95)
Physical activity (MET score) 55 (16–164), 68 54 (17–150), 65 48 (58) 54 (64) 62 (73)
Zinc intake (mg/day)a 17 (11–33), 19 18 (10–33), 20 14 (16) 17 (19) 21 (23)
Iron intake (mg/day)a 16 (9–31), 17 16 (9–31), 18 12 (15) 15 (18) 19 (22)
Dietary Cd intake (μg/day) 16 (10–24), 16 16 (9–25), 16 12 (11) 16 (16) 21 (21)
  1. Abbreviations:BMI Body mass index, MET metabolic equivalent, Cd cadmium.
  2. aSum of intake from diet and supplement.