| ObjectiveThis paper analyzes the types of peer bullying and the stability and changes of the role of peer bullying in early youth development,and discusses the bidirectional relationship between peer bullying and depression.MethodsIn this study,1687 students in grade 7 of an ordinary middle school in North Anhui province were selected as subjects by cluster sampling method,including 1,019 boys and 668 girls.Two follow-up surveys（T1 and T2 respectively）were conducted at an interval of one year,and self-reported methods were used to assess adolescent depressive symptoms and peer bullying.（1）Paired T test was used to compare the scores of different types of bullying behavior and depressive symptoms at two time points before and after,and independent sample T test was used to compare the scores of bullying behavior and depressive symptoms between men and women.（2）Explore the correlation between different types of bullying behavior and depressive symptoms through correlation analysis.（3）An autoregressive cross-lag model was used to construct a structural equation model with two rounds of tracking data to analyze the bidirectional relationship between adolescent bullying,bullying and depressive symptoms.（4）The latent category model and latent transformation model were used to explore the subcategories of peer bullying and the stability and change of the role of peer bullying.（5）ANOVA was used to test whether there were differences in depressive symptoms among different subcategories of peer bullying,and a multi-nominal logistic regression model was established to analyze the impact of depressive symptoms on the role change of peer bullying.Results（1）In the total sample,the detection rate of bullying,bullying and depressive symptoms in T1 period was 27.0%,24.4% and 47.5%,and the detection rate of bullying,bullying and depressive symptoms in T2 period was 14.9%,11.4% and37.9%,respectively.（2）Compared with T1,adolescents at T2 had significantly lower scores in physical bullying or physical bullying of others,verbal bullying or verbal bullying of others,relational bullying or relational bullying of others,cyberbullying or cyberbullying of others and depressive symptoms（P<0.05）.In T1 period,there were significant gender differences among victims of physical bullying,verbal bullying,cyberbullying,verbal bullying and cyberbullying（P<0.05）.At T2 stage,there were significant gender differences in physical bullying,verbal bullying,physical bullying and verbal bullying（P<0.05）,which showed that boys scored higher than girls.However,there were gender differences in depression symptoms at T1 and T2（P<0.001）,and the score of depression symptoms in girls was higher than that in boys.（3）The correlation between bullying and depressive symptoms at TI and T2 was statistically significant.（4）In the male group,the depressive symptoms of T1 could positively predict the bullying situation of male group T2（β= 0.02,P< 0.01）.In the female group,T1 depressive symptoms positively predicted the T2 depressive symptoms of bullying（β= 0.02,P< 0.01）and bullying（β= 0.003,P< 0.01）,and T1 bullying also positively predicted the T2 depressive symptoms（β=1.16,P< 0.01）.Bullying at T1 significantly negatively predicted depressive symptoms at T2（β=-1.71,P< 0.01）.In the composite group,T1 depressive symptoms positively predicted bullying（β= 0.44,P< 0.001）and bullying（β= 0.005,P< 0.05）at T2,but only T1 bullying significantly positively predicted T2 depressive symptoms（β=0.02,P< 0.001）.（5）Peer bullying can be divided into three sub-categories: high bullying victimized group,medium bullying victimized group and low bullying victimized group.The heterogeneity among different categories is mainly reflected in the degree of participating in bullying and being bullied.（6）Compared with the low-bullied group,the high-bullied group and the medium-bullied group had higher scores in depressive symptoms.（7）The role of peer bullying in early adolescents showed different levels of stability,but also had a certain degree of transformation,mainly manifested as: the group with higher level of bullying to the group with lower level of bullying.（8）Depressive symptoms were a predictor of role change in peer bullying.Compared with the subjects who kept the medium-medium bully group unchanged,the subjects with high scores of depressive symptoms were more likely to switch from the middle bully group to the high bully group（OR=1.057,P<0.01）.However,the probability of the subjects with high scores of depressive symptoms shifting from the bullied group to the low-bullied group decreased（OR=0.918,P<0.05）..ConclusionsThere is a two-way predictive relationship between adolescent bullying and depressive symptoms,and depressive symptoms can one-way predict the occurrence of bullying behavior.Peer bullying of early adolescents can be divided into high bullying victimized group,medium bullying victimized group and low bullying victimized group.The heterogeneity between different groups mainly lies in the degree of bully-bullied.Compared with the low bullying victimized group,the medium bullying victimized group and high bullying victimized group showed more severe depressive symptoms.The role of adolescents in school bullying has a certain stability,but also constantly changing,mainly from the high level of bullying group to the low level of bullying group,depression symptoms also affect the change between the bully-bullied group. |
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