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Objective To determine the effects over one year of contacting patients by telephone one month or three months after being discharged from an emergency department for deliberate self poisoning compared with usual treatment.

Design Multicentre, randomised controlled trial.

Setting 13 emergency departments in the north of France.

Participants 605 people discharged from an emergency department after attempted suicide by deliberate self poisoning.

Intervention The intervention consisted of contacting patients by telephone at one month or three months after discharge from an emergency department for attempted suicide to evaluate the success of recommended treatment or to adjust treatment. Control patients received treatment as usual, in most cases referral back to their general practitioner.

Main outcome measures The primary outcome measures were proportion of participants who reattempted suicide …