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Arch Suicide Res. 2009;13(4):317-29. doi: 10.1080/13811110903266368.

Rates of non-suicidal self-injury in high school students across five years.

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Department of Psychology, University of Wisconsin-Eau Claire, Eau Claire, Wisconsin 54702, USA.


It is believed that the rate of non-suicidal self-injury (NSSI) among high school students is increasing. However, no known research has examined the rates of NSSI among non-clinical, high school samples of adolescents across several years. The current study utilized archival data from five academic years [2001 to 2005 (N = 1393)] to address this limitation by examining the lifetime prevalence rates of NSSI in urban high school students within the Midwestern United States. Results indicate a significant difference in rates across years by gender. Females showed a significant increase in their rates of NSSI compared to males, who showed a significant decline, during the last 3 years of the study. Implications of these findings for school personnel and directions for future research discussed.

[Indexed for MEDLINE]

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