domingo, 16 de septiembre de 2012

Nonsuicidal Self-Injury in Children and Adolescents

Information sourced from Journal Watch:


Nonsuicidal Self-Injury in Children and Adolescents


In a community sample, 8% of third-graders, 4% of sixth-graders, and 13% of ninth-graders reported a history of nonsuicidal self-injury.


Nonsuicidal self-injury is common in adolescents and young adults, but rates among children younger than 11 years are not known. Investigators examined self-injury behaviors in children aged 7 to 16 years by interviewing a community sample of 665 third-, sixth- and ninth-graders who were recruited from participating school districts (60% participation rate). Children were evaluated with the Children's Depression Inventory (CDI) and the structured Self Injurious Thoughts and Behavior Interview (SITBI).

About one third of the youth were in each grade; 55% were female, 62% were white, and the median family income was US$86,500. A lifetime history of self-injury was reported by 9% of girls (7%, 2%, and 19% in third, sixth, and ninth grade, respectively) and 7% of boys (9%, 7%, and 5%, respectively). The most common behavior among girls was cutting or carving skin (64%) or hitting themselves (42%); 18% reported burning their skin, 15% inserted objects into skin or nails, and 9% picked their skin. The most common behavior among boys was hitting themselves (55%); 15% each reported cutting or carving themselves or inserting objects into their skin, and 5% each burned themselves or picked their skin. The most common behavior among third-graders was hitting themselves (60%); 13% reported cutting or carving, and 7% each reported the other three behaviors. The most common behaviors among sixth-and ninth-graders were hitting themselves (50% and 41%) and cutting or carving skin (30% and 70%). Children who reported five or more episodes of self-injury during the previous year displayed significantly higher levels of distress on the CDI than other children.

Comment: Because the SITBI has not been validated in youth younger than 12 years, the data for third- and sixth-graders must be interpreted with caution; data for ninth-graders are consistent with other surveys. Despite this caveat, this study suggests that we need to consider nonsuicidal self-injury in youth as young as 7 years who have skin findings consistent with self-injury (despite an explanation to the contrary) and ask about self-injury in those who are experiencing psychological distress.

— Alain Joffe, MD, MPH, FAAP

Published in Journal Watch Pediatrics and Adolescent Medicine August 1, 2012


CITATION:


Barrocas AL et al. Rates of nonsuicidal self-injury in youth: Age, sex, and behavioral methods in a community sample. Pediatrics 2012 Jul; 130:39. [Link to free, full-text Pediatrics article PDF | PubMed® abstract]



Copyright © 2012. Massachusetts Medical Society. All rights reserved.


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