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目的探讨中国城市初中学生身体满意度现状及其相关因素。方法采用整群随机抽样方法,于2012年9月—2013年8月在中国6城市随机抽取4 114名学生进行身高、体重和身体满意度的问卷调查,并对学生的体格发育进行测量,采用多元logistic回归分析影响身体满意度的相关因素。结果中国城市初中学生对身高、体重和体形满意度高的比例分别为44.77%、38.18%和42.83%;多因素logistic回归分析结果表明,男生比女生更倾向于对自己的身高表示满意(OR=1.44、1.23),低估自己的身高会降低对身高的满意度(OR=0.70、0.71);男生(OR=1.99)和初一学生(OR=1.51)倾向于对体重的满意度高,而超重肥胖(OR=0.23、0.10)及自评体重过高者(OR=0.60)的体重高满意度水平均下降;男生(OR=1.36、2.03)、初一(OR=0.92、1.64)、体重状态(消瘦:OR=1.49、1.98,超重:OR=0.40、0.24,肥胖:OR=0.23、0.11)和高估体重(OR=0.58、0.50)均影响体形的中、高满意度水平。结论中国城市初中生对身体的满意度较低,性别、年级、体重状态和对身高及体重的自评结果影响学生的身体满意度。
Objective To explore the status quo of body satisfaction of junior middle school students in urban China and its related factors. Methods A total of 4 114 students were randomly selected from 6 cities in China from September 2012 to August 2013 to conduct a questionnaire survey on height, weight and body satisfaction using cluster random sampling method. The physical development of students was measured by using Multivariate Logistic Regression Analysis of Related Factors Affecting Physical Satisfaction. Results The percentage of height, weight and body shape satisfaction of urban junior high school students in China was 44.77%, 38.18% and 42.83% respectively. Multivariate logistic regression analysis showed that boys were more satisfied with their height than girls (OR = (OR = 1.99) and first-year students (OR = 1.51) tended to be more satisfied with their body weight, while overweight (OR = 0.23,0.10) and those with self-rated overweight (OR = 0.60), the boys with high body weight (OR = 1.36,2.03), first day (OR = 0.92,1.64), weight status OR = 1.49, 1.98, OR: 0.40, 0.24, OR = 0.23, 0.11) and overweight body weight (OR = 0.58, 0.50), respectively. Conclusion Junior middle school students in urban areas in China are less satisfied with their health, and their gender, grade, weight status and self-assessment of their height and weight affect their satisfaction.