Am J Psychiatry. 1975 Mar;132(3):285-7.

Classification of suicidal behaviors: I. Quantifying intent and medical lethality.

Abstract

Previous studies of attempted suicide have cast doubt on the value of assessing psychological intent. By identifying a moderating variable, namely, the attempter's preconceptions about the lethality of his act, the authors were able to solve the puzzle of the low correlations between intent and lethality. Suicidal intent correlates highly with medical lethality when the attempter has sufficient knowledge to assess properly the probable outcome of his attempt. The authors conclude that suicidal intent and medical lethality are useful dimensions in classifying suicidal behavior.

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