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The lancet:九成青少年到20岁停止自残

2011/11/20 来源:中国数字科技馆
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自残,是青少年中普遍存在的问题,然而近日一份研究表明90%自残行为在20岁左右就会戛然而止。

自残,是青少年中普遍存在的问题,然而近日一份研究表明90%自残行为在20岁左右就会戛然而止。

自残被视为自杀的关键标志之一,因为60%的自杀受害者都有过自残史。根据之前的调查发现因自残而去医院的人的人数是普通病人人数的100多倍。而且女孩更有可能故意伤害自己,例如在汽车来来往往的道路上跑,或者在铁轨上玩危险游戏。

英国和澳大利亚的研究人员问卷调查1800个年龄在14岁左右的澳大利亚青年有过自残行为并在20岁时结束的问题。

研究人员发现,大多数年龄在14、15岁的青少年开始开始自残是以切割、燃烧或者导致严重伤害的形式,但到了20岁时,90%的人已停止这样做。为什么在20岁时会停止他们自己也答不上来。

伦敦国王学院的博士保罗·莫兰说:“这项研究并没有测试出参与者是否有被干预,没有充分的的证据表明任何治疗对阻止自残行为起作用。”

研究者这样总结道:“我们的研究结果表明,大多数青少年自残行为是自我行为”,澳大利亚墨尔本大学的乔治巴顿教授说这个问题也许是由于从童年过渡到完全成年时期时青少年头脑的变化造成的。他说:“在青春期会有深刻的生理变化的时候,并且产生许多荷尔蒙。这样会使青少年差生一些过激行为。”(生物探索)

相关英文论文摘要:

The natural history of self-harm from adolescence to young adulthood: a population-based cohort study

Background

Knowledge about the natural history of self-harm is scarce, especially during the transition from adolescence to young adulthood, a period characterised by a sharp rise in self-inflicted deaths. From a repeated measures cohort of a representative sample, we describe the course of self-harm from middle adolescence to young adulthood.

Methods

A stratified, random sample of 1943 adolescents was recruited from 44 schools across the state of Victoria, Australia, between August, 1992, and January, 2008. We obtained data pertaining to self-harm from questionnaires and telephone interviews at seven waves of follow-up, commencing at mean age 15·9 years (SD 0·49) and ending at mean age 29·0 years (SD 0·59). Summary adolescent measures (waves three to six) were obtained for cannabis use, cigarette smoking, high-risk alcohol use, depression and anxiety, antisocial behaviour and parental separation or divorce.

Findings

1802 participants responded in the adolescent phase, with 149 (8%) reporting self-harm, More girls (95/947 [10%]) than boys (54/855 [6%]) reported self-harm (risk ratio 1·6, 95% CI 1·2—2·2). We recorded a substantial reduction in the frequency of self-harm during late adolescence. 122 of 1652 (7%) participants who reported self-harm during adolescence reported no further self-harm in young adulthood, with a stronger continuity in girls (13/888) than boys (1/764). During adolescence, incident self-harm was independently associated with symptoms of depression and anxiety (HR 3·7, 95% CI 2·4—5·9), antisocial behaviour (1·9, 1·1—3·4), high-risk alcohol use (2·1, 1·2—3·7), cannabis use (2·4, 1·4—4·4), and cigarette smoking (1·8, 1·0—3·1). Adolescent symptoms of depression and anxiety were clearly associated with incident self-harm in young adulthood (5·9, 2·2—16).

英文论文链接http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(11)61141-0/abstract

 

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