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November 11, 2025Suicide and Life-Threatening Behavior

The Longitudinal Reciprocal Relations of Adolescents' Non‐Suicidal Self‐Injury and Suicidal Ideation and the Mediating Role of Irritability: A Random Intercept Cross‐Lagged Panel Model Analysis

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Authors

XHXin HanCWChuhan WangZHZixi Huang

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Overview

Longitudinal survey reveals emotional regulation as a mediator between non‐suicidal self‐injury and suicidal ideation in adolescents, indicating a dynamic relationship.

Key Points

  • This study examines the reciprocal relationships between non‐suicidal self‐injury and suicidal ideation, focusing on irritability as a mediator.
  • Conducted a longitudinal survey with 1711 Chinese adolescents at three time points (6-month intervals)
  • Employed random intercept cross‐lagged panel model analysis for data evaluation
  • Utilized the Brief Irritability Test, Deliberate Self‐Harm Inventory, and Beck Scale for Suicidal Ideation
  • NSSI, irritability, and SI showed positive associations at the between‐person level
  • Greater within‐person NSSI predicted increases in future SI and vice versa
  • Irritability significantly predicted future NSSI and SI, acting as a mediator in their bidirectional relationship

Cite This Study

Han et al. (2025) studied this question.

synapsesocial.com/papers/69252e96c0ce034ddc35621ahttps://doi.org/10.1111/sltb.70064
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The Relationship Between Non‐Suicidal Self‐Injury and Suicidal Ideation During Early Adolescence: The Longitudinal Moderating Role of Resilience2025
  2. 2Nonsuicidal self-injury as the gateway and consequence of suicidal ideation among adolescents: a cross-lagged regression analysis2024 · 14 citations
  3. 3The relationship between cumulative ecological risk and adolescent non-suicidal self-injury (NSSI): a moderated mediation model2026
  4. 4Nurturing or Draining? The Bidirectional Reciprocal Relationship Between Social Connectedness, Self‐Compassion, and Non‐Suicidal Self‐Injury in Chinese Adolescents2026
  5. 5Relationships among self-esteem, depression and self-injury in adolescents: a longitudinal study2024 · 34 citations