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| Mediating effects of adolescent loneliness and depressive symptoms on interparental conflict and adolescent non-suicidal self-injury |
| WANG Junling1,2, GUO Fei1,2, CHEN Zhiyan1,2
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1. Chinese Academy of Sciences, Beijing 100101, China;
2. Department of Psychology, University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract Objective To explore the mediating effects of adolescent loneliness and depressive symptoms on interparental conflict and adolescent non-suicidal self-injury, so as to provide insights into the prevention and interventions of adolescent non-suicidal self-injury. Methods Students from 7 middle schools in Tianjin, Henan, Sichuan, Zhejiang and Inner Mongolia were selected using convenient sampling method. Their loneliness, depressive symptoms and non-suicidal self-injury occurrence were investigated using the Three-Item Loneliness Scale, the Center for Epidemiological Studies Depression Scale and Non-Suicidal Self-injury Scale, and interparental conflict was evaluated by adolescents and their mothers respectively, using the adolescence revision of Co-parenting Scale and the Co-parenting Relationship Scale. The mediating effects of loneliness and depressive symptoms on interparental conflict and non-suicidal self-injury was examined using a structural-equation model. Results A total of 544 students were recruited, with a mean age of (14.19±; 1.43) years. There were 241 males (44.30%) and 303 females (55.70%); 452 junior high school students (83.10%), 46 high school students (8.45%) and 46 vocational high school students (8.45%); and 150 students with non-suicidal self-injury (27.57%). The scores of loneliness, depressive symptoms, parental conflict evaluated by students and their mothers were (4.38±; 1.87), (7.32±; 6.06), (14.10±; 8.03) and (3.04±; 3.19), respectively. The results of structural equation model analysis showed that parental conflict had no direct effect on non-suicidal self-injury, but loneliness (β=0.074, 95%CI: 0.038-0.114) and depressive symptoms (β=0.096, 95%CI: 0.061-0.136) played indirect effects on interparental conflict and non-suicidal self-injury, and they also exerted a chain mediating effect (β=0.064, 95%CI: 0.037-0.095) (all P<; 0.05). Conclusion Interparental conflict can impact adolescent non-suicidal self-injury through the mediating effects of adolescent loneliness and depressive symptoms.
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Received: 19 June 2023
Revised: 20 September 2023
Published: 15 December 2023
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