上行外貌比较与青少年非自杀性自伤的关系及作用机理

Relationship between Upward Physical Appearance Comparison and Non-suicidal Self-injury in Adolescents and Its Mechanism

目的:分析上行外貌比较与青少年非自杀性自伤(NSSI)的关系,并探究身体不满意的中介以及外表条件性自我价值和被接纳感的调节作用。方法:采用上行外貌比较量表、身体不满意量表、非自杀性自伤行为评定问卷、外表条件性自我价值量表和被他人接纳问卷对6186名青少年施测。结果:(1)身体不满意在上行外貌比较与NSSI间起中介作用;(2)外表条件性自我价值可调节上行外貌比较与身体不满意的关系以及上行外貌比较与NSSI的关系;(3)被接纳感可调节身体不满意与NSSI的关系;(4)外表条件性自我价值越高以及被接纳感越低,则身体不满意的中介效应越大。结论:上行外貌比较通过身体不满意影响NSSI,外表条件性自我价值可增大该影响,被接纳感可削弱该影响。

Objective:To analyze the effect of upward physical appearance comparison on adolescents'non-suicidal self-injury(NSSI),and the mediating effect of body dissatisfaction and the moderating effect of appearance-contingencies of self-worth and acceptance by others.Methods:6186 adolescents were tested with Upward Physical Appearance Comparison Scale(UPAC),Body dissatisfaction Scale(BD),Adolescent Non-suicidal Self-injury Assessment Questionnaire(ANSAQ),Appearance-Contingencies of Self-worth Scale(ACSW),and Acceptance by Others Questionnaire(ABO).Results:(1)Body dissatisfaction played a mediating role between UPAC and NSSI;(2)ACSW moderated the relationship between UPAC and BD,and also moderated the relationship between UPAC and NSSI;(3)ABO moderated the relationship between BD and NSSI;(4)The higher the ACSW and the lower the ABO,the larger the mediation of BD,and on the contrary,the smaller the mediation.Conclusion:UPAC affects NSSI through BD,ACSW can increase this impact,while ABO can weaken it.