Lifetime Prevalence of Nonsuicidal Self-Injury in Adolescents: Reliability of a Dichotomous Survey Item

Introduction

Nonsuicidal self-injury (NSSI) is a widespread phenomenon among adolescents. Accurate estimates of prevalence rates when screening for NSSI are essential both in research and clinical settings. However, high variability raises the question of the reliability of self-reported NSSI prevalence.