Table 1 Review and primary study characteristics
Characteristics | N (%) |
|---|---|
No. of included reviews | 14 |
Date of publication | |
  2009–2012 | 4 (28.6%) |
  2013–2016 | 5 (35.7%) |
  2017–2019 | 5 (35.7%) |
Country of publication | |
  Australia | 6 (42.9%) |
  Canada | 2 (14.3%) |
  Netherlands | 1 (7.1%) |
  UK | 1 (7.1%) |
  USA | 4 (28.6%) |
No. of included primary studies | 47 |
Study design | |
  Randomized controlled trials | 19 (40.4%) |
  Non-randomized controlled trials | 6 (12.8%) |
  Quasi-experimental | 7 (14.9%) |
  Observational | 9 (19.2%) |
  Case report | 5 (10.6%) |
  Descriptive | 1 (2.1%) |
Population | |
  Police | 37 (78.7%) |
  Firefighters | 8 (17.0%) |
  Correctional services | 2 (4.3%) |
  Coroner/forensic pathologists | 0 (0.0%) |
Intervention | |
  Prevention | 24 (51.1%) |
  Rehabilitation | 23 (48.9%) |