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Table 2 Characteristics of included studies on police work and prostate cancer risk (N = 5)

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
Vena et al. 2014 [19] USA Cohort Mortality 1980–2005 31 3, 424 SMR 1.18, 95% CI 0.80–1.67
Gu et al. 2011 [76] USA Cohort Incidence 1976–2006 104 2, 234 SIR 0.88, 95% CI 0.72–1.07
Finkelstein 1998 [20] Canada Cohort Incidence 1964–1995 85 22, 197 SIR 1.16, 95% CI 0.93–1.43
Forastiere et al. 1994 [77] Italy Cohort Mortality 1973–1991 7 3, 868 SMR 0.77, 95% CI 0.31–1.50
Bouchardy et al. 2002 [78] Switzerland Case–control Incidence 1980–1993 129 9, 126 OR 1.20, 95% CI 1.00–1.50
  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, OR – odds ratio