中学生营养不良和肥胖的影响因素分析

Risk Factors for Malnutrition and Obesity of Middle School Students

目的：为探讨中学生营养不良和肥胖的影响因素。方法：采用病例对照研究方法对杭州市第五中学筛查出的营养不良及肥胖学生进行了营养不良和肥胖影响因素的问卷调查。所得资料应用非条件Logistic回归模型进行分析。结果：喜吃零食和母亲营养不良与中学生营养不良有关；母亲孕期发胖、父亲肥胖、母亲肥胖及外祖父肥胖和中学生肥胖有相关关系。结论：要纠正中学生营养不良，关键在于改变他们不良的饮食习惯。肥胖的遗传和家族倾向性，值得量视。

Objective:To study possible causes of malnutrition and obesity in middle school studente.Method: A case - control stud was conducted by using questionnaires at the fifth middle school in Hangzhou city, possible causes of malnutrition were investigated among obese students and their counterpart. Data were analyzed using non- conditional logistic regression model. Results:Malnutrition of middle school students was related to their dietary habit of having an inclination for snacks and undernourishment of thseir mothers. Several factors such as mother getting fat in pregnancy, obesity of their parents or maternal grandfathers contributed to obesity of middle school students. Conclusion: Unhealthy dietary habitys must be changed to improve nutritional status of middle school students and genetic and familial tendency of obesity should be paid attention.