Brent D A, Kerr M M, Goldstein C, Bozigar J, Wartella M, Allan M J
J Am Acad Child Adolesc Psychiatry. 1989 Nov;28(6):918-24. doi: 10.1097/00004583-198911000-00017.
In a high school of 1,496 students, two students committed suicide within 4 days. During an 18-day period that included the two suicides, seven students attempted suicide and an additional 23 manifested suicidal ideation. Compared to expected rates, the rates of both completed and attempted suicide were markedly elevated. Seventy-five percent of the members of the cluster had at least one major psychiatric disorder antedating their exposure. One hundred ten students thought to be at high risk were psychiatrically screened on site. Within this group, students who became suicidal after exposure were more likely than their nonsuicidal counterparts to be currently depressed and to have had past episodes of depression and suicidality. Close friends of the victims manifested suicidality at a lower psychopathological threshold than those who were less close to the victims. Students who are friends of a victim or who have a history of affective disorder and/or previous suicidality should be screened for suicidality after exposure.
在一所拥有1496名学生的高中里，4天内有两名学生自杀。在包括这两起自杀事件在内的18天时间里，有7名学生自杀未遂，另有23名学生表现出自杀意念。与预期发生率相比，自杀既遂和自杀未遂的发生率均显著升高。该群体中75%的成员在接触相关因素之前至少患有一种主要精神障碍。对110名被认为处于高风险的学生进行了现场精神科筛查。在这个群体中，接触相关因素后出现自杀行为的学生比未出现自杀行为的学生更有可能目前处于抑郁状态，且过去有过抑郁发作和自杀行为。受害者的密友比与受害者关系不那么亲密的人在更低的精神病理学阈值下表现出自杀行为。受害者的朋友或有情感障碍病史和/或既往有自杀行为的学生在接触相关因素后应接受自杀行为筛查。
