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Table. 1.

Table. 1.

Meta-analysis summary of the examined risk factors for prostate cancer

Occupational risk factor No. of studies No. of cases MetaRR 95% CI Q P-value I2 (%)
Pesticides 18 3,474 1.15 1.01–1.32 110 <0.001 84
 Coh 13 3,067 1.13 0.97–1.32 96 <0.001 86
 CC 5 407 1.26 0.86–1.83 15 0.006 33
Organochlorines 17 2,730 1.08 1.03–1.14 43 0.49 0
 Coh 10 1,003 1.12 1.05–1.19 13 0.6 0
 CC 7 1,727 0.99 0.89–1.10 26 0.53 0
Chromium 8 964 1.19 1.07–1.34 10 0.18 31
Shiftwork 6 1,355 1.25 1.05–1.49 36 <0.000 78
 Coh 4 861 1.14 0.98–1.32 11 0.052 55
 CC 2 494 1.50 0.91–2.48 21 <0.000 90
Flight personnel 3 180 1.26 0.90–1.76 8.9 0.031 66
 Pilots 3 163 1.41 1.02–1.94 5.4 0.07 63
Occupational physical activity 18 3,417 0.90 0.80–1.02 55 <0.000 69
 Coh 10 1,684 0.87 0.80–0.94 8.5 0.48 0
 CC 8 1,733 0.91 0.68–1.20 44 <0.000 84
Whole body vibration 10 6,224 1.03 0.98–1.09 66 <0.000 77
 Coh 5 4,768 1.01 0.98–1.05 19 0.004 69
 CC 5 1,456 1.31 1.00–1.72 47 <0.000 83
Farming, farmers 26 66,749 0.99 0.95–1.02 118 <0.001 79
 Coh 15 65,448 0.97 0.94–1.00 90 <0.001 58
 CC 11 1,301 1.04 0.90–1.21 21 0.021 33
Organophosphates 7 1,350 0.98 0.87–1.11 8 0.44 0
 Coh 4 901 0.97 0.82–1.14 1.1 0.77 0
 CC 3 449 0.99 0.78–1.25 7 0.15 41
Carbamates 5 520 1.05 0.89–1.24 8 0.22 27
Triazines 4 471 1.02 0.92–1.14 7 0.13 45
Cadmium 7 71 1.12 0.82–1.53 6 0.42 0
Cutting fluids 8 446 1.03 0.92–1.16 9 0.42 0
 Coh 5 285 1.03 0.88–1.21 7 0.29 18
 CC 3 161 0.89 0.66–1.21 0.9 0.64 9
Acrylonitrile 4 54 0.93 0.71–1.21 0.41 0.94 0
Rubber manufacturing 15 923 0.98 0.87–1.09 0.33 0.005 55
Ionizing radiation 9 1,624 1.07 0.97–1.17 20 0.009 61

MetaRR, meta relative risk; CI, confidence interval; Coh, cohort study; CC, case control study.

Journal of Cancer Prevention 2019;24:91-111 https://doi.org/10.15430/JCP.2019.24.2.91
© 2019 Journal of Cancer Prevention