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Volume 3,Issue 5

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26 June 2025

Study on the Relationship between Family Intimacy, Psychological Resilience, Coping Strategies, and Non-Suicidal Self-Injury among Middle School Students in Sanming City

Tao Dai1
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1 Guangzhou Kangda Education Technology Co., LTD, Guangzhou 510700, Guangdong, China
EIR 2025 , 3(5), 86–97; https://doi.org/10.18063/EIR.v3i5.596
© 2025 by the Author. Licensee Whioce Publishing, Singapore. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ )
Abstract

Purpose: To explore the underlying interactive constraints and mechanisms among family intimacy, non-suicidal self-injury behavior, psychological resilience, and coping strategies among middle school students in Sanming City. This study aims to provide a systematic and scientifically sound theoretical basis for the prevention and intervention mechanisms of non-suicidal self-injury behavior among junior high ccccschool students.

Method: Using convenience sampling, 388 students from the first year of high school at a school in Ninghua County, Sanming City, Fujian Province, were selected. Assessment tools such as the Adolescent Self-Harm Behavior Questionnaire, the Connor-Davidson Resilience Scale (CD-RISC), the Family Intimacy Scale, and a simplified coping methods questionnaire were employed for data collection.

Results: 1) The overall reporting rate of non-suicidal self-injury behavior among the surveyed students is 31.7%. There is a significant difference in the reporting rate of non-suicidal self-injury behavior based on family economic status (p < 0.01). 2) ccStudents with and without left-behind experiences show a significant difference in strength scores (t = 2.19, p < 0.05). 3) Students with and without non-suicidal self-injury behavior exhibit significant differences in family intimacy (t = 5.58, p < 0.01), psychological resilience (t = 4.16, p < 0.01), resilience (t = 3.50, p < 0.01), strength (t = 4.02, p < 0.01), optimism (t = 4.03, p < 0.01), and negative coping strategies (t = -1.97, p < 0.05). 4) Correlation analysis results show that non-suicidal self-injury behavior is positively correlated with negative coping strategies (r = 0.17, p < 0.01) and with total psychological resilience (r = 0.20, p < 0.01), resilience (r = 0.19, p < 0.01), strength (r = 0.21, p < 0.01), optimism (r = 0.20, p < 0.01), family intimacy (r = 0.21, p < 0.01), and positive coping strategies (r = 0.10, p < 0.05). Family intimacy is positively correlated with total psychological resilience (r = 0.41, p < 0.01), resilience (r = 0.38, p < 0.01), strength (r = 0.37, p < 0.01), optimism (r = 0.32, p < 0.01), and positive coping strategies (r = 0.36, p < 0.01). Positive coping strategies are positively correlated with total psychological resilience (r = 0.47, p < 0.01), resilience (r = 0.44, p < 0.01), strength (r = 0.45, p < 0.01), and optimism (r = 0.36, p < 0.01). 5) The mediating effect of coping strategies between family intimacy and non-suicidal self-injury behavior is not significant. 6) Psychological resilience has a mediating effect on the relationship between family intimacy and non-suicidal self-injury behavior, with a mediating effect of -0.08. This accounts for 30.18% of the total effect of family intimacy (-0.26).

Conclusion: These results indicate a relatively high detection rate of non-suicidal self-injury behavior and a significant mediating effect of psychological resilience. This suggests that school interventions may benefit from focusing on providing additional support at the family level to enhance individual levels of psychological resilience, ultimately reducing the occurrence of non-suicidal self-injury behavior among middle school students.

Keywords
family intimacy
non-suicidal self-injury
positive coping strategies
psychological resilience
mediating effect
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