作者
Dominique F Maciejewski, Hanneke E Creemers, Michael T Lynskey, Pamela AF Madden, Andrew C Heath, Dixie J Statham, Nicholas G Martin, Karin JH Verweij
发表日期
2014/6/1
期刊
JAMA psychiatry
卷号
71
期号
6
页码范围
699-705
出版商
American Medical Association
简介
Importance
Nonsuicidal self-injury (NSSI) and suicidal self-injury are very harmful behaviors and are associated with several psychiatric disorders. In the recently developed fifth edition of theDSM, NSSI and suicidal behavior disorder are for the first time introduced as conditions in their own right instead of symptoms of other psychiatric disorders. It is unclear to what extent NSSI and suicidal self-injury share the same underlying biological mechanisms and are influenced by the same environmental factors.
Objective
To determine the relative importance of genetic and environmental influences on the variation in NSSI and suicidal ideation and their covariation.
Design, Setting, and Participants
Classical twin design using a sample of 10 678 male and female adult twins (mean [SD] age, 32.76 [6.99] years) from the Australian Twin Registry, a population-based twin registry. Between 1996 and 2009, the twins participated …
学术搜索中的文章
DF Maciejewski, HE Creemers, MT Lynskey… - JAMA psychiatry, 2014
DF Maciejewski, H Creemers, MT Lynskey… - JAMA psychiatry, 2014