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目的了解中山市在校青少年学生的超重肥胖现况以及采取的减肥方法,为合理开展健康教育提供基础数据。方法采用分层整群抽样方法,在中山市辖区内按学校类别分层,共对2 556名在校学生进行问卷及身高、体重测量。结果 11.40%的男生和7.87%的女生超重(P<0.01),4.64%的男生和3.43%女生肥胖(P>0.05)。只有45.36%的男生和44.39%的女生认为体重合适。32.47%的男生和54.52%的女生曾采取过减肥或控制体重行为,差异有统计学意义(P<0.01)。3.05%的学生曾采取不吃肉类食物、长时间(>24 h)不吃任何东西、喝减肥茶或吃减肥药来减肥或控制体重。结论部分青少年学生科学地对自身体重进行判断,尤其是女生减肥行为普遍存在。应加强青少年对超重和肥胖的认识,合理开展健康和营养知识教育。
Objective To understand the prevalence of overweight and obesity among school-age young students in Zhongshan City and the weight-loss methods adopted to provide the basic data for proper health education. Methods A stratified cluster sampling method was used to stratify the schools according to school categories in Zhongshan City. A total of 2 556 students were surveyed and their height and weight were measured. Results 11.40% of boys and 7.87% of girls were overweight (P <0.01), 4.64% of boys and 3.43% of girls were obese (P> 0.05). Only 45.36% of boys and 44.39% of girls think weight is right. 32.47% of boys and 54.52% of girls had taken weight loss or weight control behavior, the difference was statistically significant (P <0.01). 3.05% of the students used to take no meat, long time (> 24 h) do not eat anything, drink slimming tea or diet pills to lose weight or weight control. Conclusion Some of the young students scientifically determine their own weight, especially girls weight loss behavior prevalence. Adolescents should be more aware of overweight and obesity, and educate health and nutrition knowledge appropriately.