The method that people use to attempt suicide has a large influence on the risk of later completed suicide, according to Swedish researchers.
They found suicide attempts involving hanging or strangulation, drowning, firearm, jumping from a height, or gassing were moderately to strongly linked with an increased risk of suicide compared with poisoning or cutting.
The researchers identified 48,649 people admitted to hospital in Sweden due to a suicide attempt between 1973 and 1982 and followed them up till the end of 2003.
The results, published online in the BMJ, showed 5,740 people went on to commit suicide.
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