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This document is a correction notice for an article on violence prevention in high-risk occupations. The original publication contained an incorrect version of Table 5, which has been corrected in this document. The tables in the article present data on various aspects of violence prevention, including outcomes, cooperation, actions taken, prevention practices, climate, self-efficacy, safety, and prevalence of violence. The study found a small increase in violence prevention efforts, but no significant changes in secondary outcomes or exposure to violence. The results indicate that there is room for improvement in workplace violence prevention. [Extracted from the article]

Background: Work-related violence committed by clients, patients, and customers represents a major occupational health risk for employees that needs to be reduced. Methods: We tested a comprehensive violence prevention intervention involving active participation of both employees and managers in the Prison and Probation Service (PPS) and on psychiatric wards in Denmark. We used a stepped wedge cluster randomised controlled trial design. We measured the degree of implementation of the intervention by registration of fidelity, reach, and dose and used a mixed-effects regression analysis to estimate the effects of the intervention. Results: We recruited 16 work units for the intervention, but three work units dropped out. The average implementation rate was 73%. In the psychiatric wards, the intervention led to statistically significant improvements in the primary outcome (an increase in the degree to which managers and employees continuously work on violence prevention practices based on their registration and experiences), but none statistically significant improvements in any of the secondary outcomes. In the PPS units, the intervention did not lead to a statistically significant improvement in the primary outcome, but to statistically significant improvements in three secondary outcomes. Conclusion: Most work units were able to carry out the intervention as planned. The intervention showed mixed results regarding the primary outcome. Nevertheless, the results indicate improvements also in the sector where a change in the primary outcome was not achieved. The results point at that a participatory and comprehensive approach could be a viable way of working with violence prevention in high-risk workplaces. Trial registration: ISRCTN86993466: 20/12/2017 [ABSTRACT FROM AUTHOR]