Background.The aim of this study was to cross-culturally adapt the Psychological Injury Risk Indicator (PIRI) and to validate its\npsychometric properties. Methods. Workers from 24 small companies were invited to self-complete the PIRI before undergoing\ntheir routine medical examination at the workplace. All participants (841 out of 845, 99.6%) were also asked to report occupational\ninjuries and episodes of violence that had occurred at the workplace in the previous 12 months and were given the General Health\nQuestionnaire (GHQ12) to complete. Results. Exploratory factor analysis revealed a 4-factor structure, ââ?¬Å?sleep problems,ââ?¬Â ââ?¬Å?recovery\nfailure,ââ?¬Â ââ?¬Å?posttraumatic stress symptoms,ââ?¬Â and ââ?¬Å?chronic fatigue,ââ?¬Â which were the same subscales observed in the original version.\nThe internal consistency was excellent (alpha = 0.932). ROC curve analysis revealed that the PIRI was much more efficient than\nGHQ12 in diagnosing workers who had suffered trauma (workplace violence or injury) in the previous year, as it revealed an area\nunder the curve (AUC) of 0.679 (95% CI: 0.625ââ?¬â??0.734) for the PIRI, while for the GHQ12 the AUC was 0.551 (not significant).\nConclusions. This study, performed on a large population of workers, provides evidence of the validity of the Italian version of the\nPIRI.
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