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. 2020 Feb 25;2020(2):CD013543. doi: 10.1002/14651858.CD013543

Hemmer 2017.

Methods Setting: 15 high‐frequency locations in Switzerland (13 bridges, 1 terrace and 1 multistorey car park)
Design: before‐and‐after study
Participants General population
Interventions

  1. Barrier (n = 11)

  2. Safety net (n = 4)

  3. Help signs installed at 3 jumps sites (all bridges)
Outcomes

  1. Suicide
Notes Data on all suicides by jumping from heights were obtained from the Swiss Federal Office for statistics (BFS). More detailed data were provided by official bodies such as regional forensic institutes, cantonal and district doctors, as well as police authorities.
Of the 11 barrier interventions, 5 were complete measures, i.e. secured the entire jump area.
Of the 4 safety net interventions, 2 were complete measures.