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Research Article: Heterogeneity in Adolescents’ Non-Suicidal Self-Injury Behaviour Trajectories Based on the Group-Based Trajectory Model and a Decision Tree Analysis of Family-Related Determinants

Date Published: 2023-08-25

Abstract:
Non-suicidal self-injury (NSSI) is most commonly defined as deliberate and intentional damage to one’s body without suicidal intent;, the methods include cutting, hitting, scratching, and burning oneself. Crucially, it has become a global public health problem., Adolescence is a critical period for children to transition to adulthood. During this period, their mental health education is mainly provided by the school, family, and society. However, due to immature cognitive behaviour patterns and emotional management skills, adolescents are more likely to turn to NSSI to vent their emotions when they encounter stressful events. NSSI reporting or detection in adolescents in different countries varies greatly due to differences in the definition of NSSI behaviour, measurement methods, and sample representation. For instance, the NSSI detection rate among adolescents in the US is .%.

Introduction:
Non-suicidal self-injury (NSSI) is most commonly defined as deliberate and intentional damage to one’s body without suicidal intent; , the methods include cutting, hitting, scratching, and burning oneself. Crucially, it has become a global public health problem. , Adolescence is a critical period for children to transition to adulthood. During this period, their mental health education is mainly provided by the school, family, and society. However, due to immature cognitive behaviour patterns and emotional…

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