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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