Trajectories in suicide attempt method lethality over a five-year period: Associations with suicide attempt repetition, all-cause, and suicide mortality.

However, whilst the hazards of having a further ambulance attendance for attempted suicide were 41% higher in those assigned to the High to Low/Moderate Lethality group as compared to the Low/Moderate to Low/Moderate Lethality group, this difference did not reach conventional levels of significance.

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