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Table 1 List of behaviours observed in CCTV recordings

From: Can CCTV identify people in public transit stations who are at risk of attempting suicide? An analysis of CCTV video recordings of attempters and a comparative investigation

Sits on the edge of the platform
 Seems to practice jumping
 Leaves objects on the platform
 Often looks down the tunnel
 Walks back and forth between the wall and the yellow line
 Paces on the yellow line
 Stands on the yellow line for a long time
 Strange behaviours
 Anxious or depressive behaviours
 Seems intoxicated
 Stares at the tracks or down the tunnel for a long time
 Psychomotor agitation (repetitive behaviours, nervousness)
 Looks glum (shoulders hunched, head lowered, looks at the ground)