Reduction in suicides and suicide attempts following implementation of AI-based video surveillance in the Stockholm metro system: an intervention study.

BMC Public Health · 2026 · PMC13321902 · PMID 42387492

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a decreasing trendno p-value reported

From Q4 2022 onward, a decreasing trend was instead observed across the entire metro system, suggesting that changes during the extended period may reflect broader system-wide influences, rather than effects by AI-CCTV alone.

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