Effects of Psychological Interventions for Mental Health in Police Officers: A Systematic Review and Meta-Analysis.

In contrast, effects on PTSD symptoms were more variable; although significant improvements were observed in comparisons with waitlist controls, the overall pooled effect across all comparisons did not reach statistical significance.

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Taken together, while these results indicate a direction of improvement, the fact that the primary pooled effect narrowly missed statistical significance, combined with high heterogeneity, suggests that the evidence for a general beneficial effect on PTSD symptoms remains inconclusive in the overall analysis.

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While our findings regarding non-MBIs show a significant trend in reducing PTSD symptoms, the limited number of studies—particularly the presence of only a single MBI study for this outcome—precludes definitive conclusions.

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