Analysis of related factors associated with campus bullying among middle and high school students
Objective To analyse associated factors of campus bullying in schools,and to construct a nomogram model to pre-dict the risk of campus bullying,so as to provide a theoretical basis for campus bullying prevention and control.Methods In Sep-tember 2023,89 117 middle and high school students were selected by stratified cluster random sampling method within 12 cities(103 counties)in Inner Mongolia,and were surveyed with self-administered questionnaire.Among them,there were 62 381 partici-pants in the training set and 26 736 participants in the testing set.Statistical analysis was conducted using x2 test and multiple Logis-tic regression,and a nomogram model was drawn for predicting campus bullying.Results The prevalence of campus bullying was 3.49％.Living in a suburban county,living in an unstable family,not the only child,having a father with a college degree or a-bove,sometimes or never eating breakfast,being overweight or obese,living on campus,being scolded by parents in the past 30 days,smoking,Internet addiction,experiencing depression,anxiety symptoms,recreational soluble solvents use,cough medicine abuse,nonprescribed use of sedatives were all positively correlated with campus bullying(OR=1.18,1.40,1.12,1.33,1.13,1.72,1.12,1.17,1.82,1.32,1.83,3.92,2.40,2.25,1.51,1.63,P＜0.01).There were a negative correlation between high school students,female students,and the number of physical education classes per week(2-3,≥4)with campus bullying(OR=0.67,0.58,0.72,0.83,P＜0.01).The prediction model of campus bullying risk was established by nomogram model.The area un-der curve(AUC)was 0.82,and the calibration curve showed that the predicted value was close to the actual value.Conclusions Bullying among middle and high school students are related to family intimacy,poor daily behaviour and psychological factors.Tar-gets of bullying intervention in schools should be identified,and preventive and control measures against bullying in secondary schools should be formulated,so as to reduce the occurrence of campus bullying.
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