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Table 1 Characteristics of included studies on firefighting and prostate cancer risk (N = 19)

From: Prostate cancer in firefighting and police work: a systematic review and meta-analysis of epidemiologic studies

Author/Year Location of Study Study Design Incidence or Mortality Follow-up period Number of Cases/Deaths Cohort Size/Total Number of Casesa Prostate Cancer Risk Estimates for Ever versus Never Employmentb
Glass et al. 2016 [63] Australia Cohort Incidence 1980–2011 478 30, 057 SIR 1.31, 95% CI 1.19–1.43
Brice et al. 2015 [64] France Cohort Mortality 1979–2008 17 10, 829 SMR 0.54, 95% CI 0.31–0.86
Daniels et al. 2014 [32] USA Cohort Incidence; Mortality 1950–2009 1261 cases
282 deaths
29, 993
29, 993
SIR 1.03, 95% CI 0.98–1.09; SMR 1.09, 95% CI 0.96–1.22
Pukkala et al. 2014 [17] Denmark, Finland, Iceland, Norway and Sweden Cohort (linkage) Incidence 1961–2005 660 16, 422 SIR 1.13, 95% CI 1.03–1.22
Ahn et al. 2012 [65] Korea Cohort Incidence 1996–2007 9 33, 416 SIR 1.32, 95% CI 0.60–2.51
Ma et al. 2006 [27] USA Cohort Incidence 1981–1999 209 34, 796 SIR 1.10, 95% CI 0.95–1.42
Ma et al. 2005 [26] USA Cohort Mortality 1972–1999 21 34, 796 SMR 1.08, 95% CI 0.67–1.65
Baris et al. 2001 [66] USA, USA Cohort Mortality 1925–1986 31 7, 789 SMR 0.96, 95% CI 0.68–1.37
Bates et al. 2001 [67] New Zealand Cohort Incidence 1977–1995 11 4, 221 SIR 1.08, 95% CI 0.50–1.90
Tornling et al. 1994 [31] Sweden Cohort Incidence; Mortality 1951–1986 28 cases
14 deaths
1, 116
1, 091
SMR 114, 95% CI 76–165; SMR 121, 95% CI 66–202
Aronson et al. 1994 [68] Canada Cohort Mortality 1950–1989 16 5, 373 SMR 132, 95% CI 76–215
Giles et al. 1993 [69] Australia Cohort Incidence 1980–1989 5 2, 865 SIR 2.09, 95% CI 0.67–4.88
Guidotti 1993 [70] Canada Cohort Mortality 1927–1987 8 3, 328 SMR 146.1, 95% CI 63.1–287.9
Beaumont et al. 1991 [33] USA Cohort Incidence 1940–1982 8 3, 066 RR 0.38, 95% CI 0.16–0.75
Grimes et al. 1991 [71] USA Cohort Mortality 1969–1988 4 205 PRR 2.6, 95% CI 1.4–5.0
Vena & Friedler 1987 [72] USA Cohort Mortality 1950–1979 5 470 SMR 0.71, 95% CI 0.23–1.65
Tsai et al. 2015 [73] USA Case–control (linkage) Incidence 1988–2007 1397 3, 996 OR 1.45, 95% CI 1.25–1.69
Kang et al., 2008 [74] USA Case–control (linkage) Incidence 1986–2003 577 285, 964 SMOR 1.05, 95% CI 0.88–1.24
Krstev et al. 1998 [75] USA Case–control Incidence 1986–1989 12 981 OR 3.34, 95% CI 1.13–9.91
  1. acohort size represents the total sample size in only cohort studies, and the total number of cases is only applicable to case–control studies
  2. bHR – hazard ratio, SIR – standardized incidence ratio, SMR – standardized mortality/morbidity ratio, RR – relative risk, PRR – proportionate risk ratio, OR – odds ratio, NR – not reported