Suffering from bullying and associated factors in Brazilian students aged 13 to 17 years old: a population study

ABSTRACT: Objective: To analyze sociodemographic, school, nutritional, and behavioral factors and body perception associated with being bullied in Brazilian students aged 13 to 17 years old. Methods: This was a cross-sectional study based on data from sample 2 of the 2015 Brazilian School Health Survey. The sample for this study was composed of 10,699 teenagers from schools in each of the largest regions of Brazil. Results: The prevalence of being bullied was 6.2%, with the highest chance of in teens who bully others (OR = 1.91 95%CI 1.48 - 2.45), who are 13 years old (OR = 1.76, 95%CI 1.04 - 2.97), who consider themselves fat (OR = 1.45, 95%CI 1.06 - 1.98) and who are not treated well by their schoolmates (OR = 2.78, 95%CI 2.17 - 3.45). Conclusion: Preventive efforts that include programs to encourage greater social support among students, as well as the implementation of practices that encourage respect for students’ differences and singularities can contribute to reducing bullying practices.

摘要：
研究目的：分析巴西13至17岁学生遭受校园欺凌相关的社会人口学、学校、营养及行为因素与身体感知情况。
研究方法：本研究为横断面研究，数据来源于2015年巴西学校健康调查的第二样本组。本次研究样本囊括巴西各主要区域的10699名青少年。
研究结果：学生遭受校园欺凌的患病率为6.2%。其中，欺凌他人的青少年（比值比（Odds Ratio，OR）=1.91，95%置信区间（95% Confidence Interval，95%CI）1.48~2.45）、13岁青少年（OR=1.76，95%CI 1.04~2.97）、认为自身过胖的青少年（OR=1.45，95%CI 1.06~1.98）以及未受到同学友善对待的青少年（OR=2.78，95%CI 2.17~3.45）遭受欺凌的风险最高。
研究结论：包括强化学生间社会支持的相关项目，以及推行尊重学生个体差异与独特性的实践举措，均可助力减少校园欺凌行为的发生。