双胞胎自杀受害者的在世孪生同胞中的自杀未遂情况。
Attempted suicide among living co-twins of twin suicide victims.
作者信息
Roy A, Segal N L, Sarchiapone M
机构信息
Department of Psychiatry, University of Medicine and Dentistry of New Jersey-New Jersey Medical School, USA.
出版信息
Am J Psychiatry. 1995 Jul;152(7):1075-6. doi: 10.1176/ajp.152.7.1075.
OBJECTIVE
The authors hypothesized that significantly more living monozygotic than dizygotic co-twins of twin suicide victims would themselves have attempted suicide.
METHOD
They determined the absence or presence of an attempt at suicide at any time among 26 living monozygotic co-twins and nine living dizygotic co-twins of twins who had committed suicide.
RESULTS
They found that 10 of the 26 surviving monozygotic co-twins but none of the nine surviving dizygotic co-twins had themselves attempted suicide.
CONCLUSIONS
Although monozygotic and dizygotic twins may have some differing developmental experiences, these results contribute to findings of previous studies of suicide in twins in suggesting that genetic factors may play a role in suicidal behavior.
目的
作者推测，与双卵双胞胎自杀受害者的存活同卵双胞胎相比，存活的同卵双胞胎中自杀未遂的人数会显著更多。
方法
他们确定了26名存活的同卵双胞胎和9名存活的双卵双胞胎（其双胞胎同胞已自杀）中是否有过任何时候的自杀未遂情况。
结果
他们发现，26名存活的同卵双胞胎中有10人曾自杀未遂，但9名存活的双卵双胞胎中无人自杀未遂。
结论
虽然同卵双胞胎和双卵双胞胎可能有一些不同的发育经历，但这些结果有助于先前双胞胎自杀研究的发现，表明遗传因素可能在自杀行为中起作用。
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