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Abstract：
BACKGROUND: Being subjected to bullying is a significant risk factor for non-suicidal self-injury (NSSI) among adolescents. Parental support, peer support, and social connectedness play protective roles in mitigating NSSI in this population. However, the precise impact of the combined effects of parental and peer support on bullying and NSSI requires further investigation.
METHODS: This study employed the Child and Adolescent Social Support Scale, Delaware Bullying Victimisation Scale, Social Connectedness Scale, and the Ottawa Self-Injury Inventory to survey 1277 Chinese adolescents. Polynomial regression analysis and response surface analysis were applied to examine the mediating role of bullying and social connectedness in the relationship between parental and peer support matching and NSSI.
RESULTS: The results indicate that parental support (r = 0.287, P < 0.001), peer support (r = 0.288, P < 0.001), and social connectedness (r = 0.401, P < 0.001) were protective factors against NSSI in adolescents. Conversely, bullying (r = 0.425, P < 0.001) acts as a risk factor for NSSI in this population. Adolescents with low parental and peer support experienced more bullying than those with high parental and peer support, while those with low parental but high peer support experienced less bullying than those with high parental but low peer support (R^2 = 0.1371, P < 0.001). Social connectedness moderated the effect between bullying and NSSI in this model (β = 0.006, P < 0.001).
CONCLUSIONS: Due to the under-representation of participants and lack of longitudinal data support, the explanatory power of causality between variables was limited. Future studies should include national samples and incorporate longitudinal studies to enhance the generalisability and robustness of the findings.
CONCLUSIONS: This study reveals the influence mechanism of parental and peer support matching experienced by adolescents on bullying and NSSI and the moderating role of social connectedness. These findings enrich the developmental theory of adolescent NSSI and provide reference for the prevention and intervention of adolescent NSSI behaviour.
METHODS: This study employed the Child and Adolescent Social Support Scale, Delaware Bullying Victimisation Scale, Social Connectedness Scale, and the Ottawa Self-Injury Inventory to survey 1277 Chinese adolescents. Polynomial regression analysis and response surface analysis were applied to examine the mediating role of bullying and social connectedness in the relationship between parental and peer support matching and NSSI.
RESULTS: The results indicate that parental support (r = 0.287, P < 0.001), peer support (r = 0.288, P < 0.001), and social connectedness (r = 0.401, P < 0.001) were protective factors against NSSI in adolescents. Conversely, bullying (r = 0.425, P < 0.001) acts as a risk factor for NSSI in this population. Adolescents with low parental and peer support experienced more bullying than those with high parental and peer support, while those with low parental but high peer support experienced less bullying than those with high parental but low peer support (R^2 = 0.1371, P < 0.001). Social connectedness moderated the effect between bullying and NSSI in this model (β = 0.006, P < 0.001).
CONCLUSIONS: Due to the under-representation of participants and lack of longitudinal data support, the explanatory power of causality between variables was limited. Future studies should include national samples and incorporate longitudinal studies to enhance the generalisability and robustness of the findings.
CONCLUSIONS: This study reveals the influence mechanism of parental and peer support matching experienced by adolescents on bullying and NSSI and the moderating role of social connectedness. These findings enrich the developmental theory of adolescent NSSI and provide reference for the prevention and intervention of adolescent NSSI behaviour.
摘要：
背景：遭受欺凌是青少年非自杀性自我伤害（NSSI）的重要危险因素。家长支持,同行支持，社会联系在缓解这一人群的NSSI方面发挥了保护作用。然而,父母和同伴支持对欺凌和NSSI的综合影响的确切影响需要进一步调查.
方法：本研究采用儿童和青少年社会支持量表，特拉华州欺凌受害者量表，社会关系量表，和渥太华自我伤害量表对1277名中国青少年进行调查。应用多项式回归分析和响应面分析来检验欺凌和社会连通性在父母和同伴支持匹配与NSSI之间的关系中的中介作用。
结果：结果表明父母支持（r=0.287，P<0.001），同行支持(r=0.288，P<0.001)，社会联系（r=0.401，P<0.001）是青少年NSSI的保护因素。相反，欺凌（r=0.425，P<0.001）是该人群NSSI的危险因素。父母和同伴支持较低的青少年比父母和同伴支持较高的青少年遭受更多的欺凌，而那些低父母但高同伴支持的人比那些高父母但低同伴支持的人经历较少的欺凌（R^2=0.1371，P<0.001）。在该模型中，社会连通性对欺凌和NSSI之间的影响具有调节作用(β=0.006，P<0.001)。
结论：由于参与者代表性不足和缺乏纵向数据支持，变量间因果关系的解释力有限。未来的研究应包括国家样本，并纳入纵向研究，以增强研究结果的普遍性和稳健性。
结论：本研究揭示了青少年经历的父母和同伴支持匹配对欺凌和NSSI的影响机制以及社会联系的调节作用。这些发现丰富了青少年NSSI的发展理论，为青少年NSSI行为的预防和干预提供了参考。
方法：本研究采用儿童和青少年社会支持量表，特拉华州欺凌受害者量表，社会关系量表，和渥太华自我伤害量表对1277名中国青少年进行调查。应用多项式回归分析和响应面分析来检验欺凌和社会连通性在父母和同伴支持匹配与NSSI之间的关系中的中介作用。
结果：结果表明父母支持（r=0.287，P<0.001），同行支持(r=0.288，P<0.001)，社会联系（r=0.401，P<0.001）是青少年NSSI的保护因素。相反，欺凌（r=0.425，P<0.001）是该人群NSSI的危险因素。父母和同伴支持较低的青少年比父母和同伴支持较高的青少年遭受更多的欺凌，而那些低父母但高同伴支持的人比那些高父母但低同伴支持的人经历较少的欺凌（R^2=0.1371，P<0.001）。在该模型中，社会连通性对欺凌和NSSI之间的影响具有调节作用(β=0.006，P<0.001)。
结论：由于参与者代表性不足和缺乏纵向数据支持，变量间因果关系的解释力有限。未来的研究应包括国家样本，并纳入纵向研究，以增强研究结果的普遍性和稳健性。
结论：本研究揭示了青少年经历的父母和同伴支持匹配对欺凌和NSSI的影响机制以及社会联系的调节作用。这些发现丰富了青少年NSSI的发展理论，为青少年NSSI行为的预防和干预提供了参考。
