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[目的]调查延边地区朝鲜族和汉族小学生体质量指数(BMI)及心血管代谢危险因素,分析肥胖对心血管代谢危险因素及其聚集强度的影响.[方法]采用整群抽样方法抽取延边地区2 945例小学生(朝鲜族2 011例,汉族934例)作为研究对象,通过问卷调查和体格检查方式,调查研究对象的一般情况,测定BMI、腰围(WC)、血压(BP)、空腹血糖(FBG)、三酰甘油(TG)及高密度脂蛋白胆固醇(HDL-C)等指标.[结果]延边地区朝鲜族和汉族小学生超体质量检出率分别为13.4%和8.5%,肥胖患病率分别为11.9%和6.9%,不同民族学生超体质量和肥胖患病率比较差异有统计学意义(P<0.001).不同民族学生腹型肥胖、高TG血症、低HDL-C血症、高血压、高血糖及MS患病率均随BMI水平增高而上升(P<0.001),且不同民族超体质量和肥胖学生中上述指标检出率比较差异有统计学意义的代谢危险因素为MS、高TG血症、低HDL-C血症、高血压和高血糖.朝鲜族学生代谢危险因素0,1,2种以上异常者超体质量检出率分别为7.9%,17.2%和26.0%,肥胖检出率分别为1.5%,11.3%和37.9%;汉族学生代谢危险因素0,1,2种以上异常者超体质量检出率分别为5.1%,15.3%和21.3%,肥胖检出率分别为1.7%,6.2%和47.5%,朝鲜族和汉族学生比较差异有统计学意义(P<0.001),且BMI与代谢危险因素聚集强度密切相关(P<0.001).[结论]延边地区朝鲜族小学生超体质量和肥胖患病率高于汉族小学生.延边地区学生BMI与心血管代谢危险因素及其聚集强度密切相关,其患病危险均随BMI水平增加而升高.
[Objective] To investigate the body mass index (BMI) and cardiovascular risk factors of Korean and Han pupils in Yanbian and analyze the influence of obesity on cardiovascular risk factors and their aggregation intensity. [Methods] The cluster sampling method was used to extract Yanbian area A total of 2 945 primary school students (2 011 Korean and 934 Han nationality) were selected as research subjects. The general conditions of subjects were investigated through questionnaire and physical examination. BMI, waist circumference (WC), blood pressure (BP), fasting blood glucose (FBG), triglyceride (TG), and high-density lipoprotein cholesterol (HDL-C) were measured by ELISA. [Results] The detection rates of overweight of Korean and Han pupils in Yanbian were 13.4% and 8.5% (11.9% and 6.9% respectively). The prevalence rates of overweight and obesity in different ethnic groups were significantly different (P <0.001) .Long-term obesity, hypercholesterolemia and hypo-HDL- , Hypertension, hyperglycemia and prevalence of MS both increased with the increase of BMI (P <0.001), and the metabolic risk factors of the above indexes were significantly different among overweight and obese nationalities of different ethnic groups as MS, Hypertriglyceridemia, Hypoglycemia, Hypertension Blood pressure and hyperglycemia.The detection rates of overweight of 0,1,2 and 2 or more kinds of metabolic risk factors in Korean students were 7.9%, 17.2% and 26.0%, and the detection rates of obesity were 1.5%, 11.3% and 37.9% respectively %. The detection rates of overweight of 0, 1, 2 or more kinds of metabolic risk factors in Han students were 5.1%, 15.3% and 21.3% respectively, and the detection rates of obesity were 1.7%, 6.2% and 47.5% (P <0.001), and the BMI was closely related to the concentration of metabolic risk factors (P <0.001). [Conclusion] The prevalence of overweight and obesity among Korean pupils in Yanbian is higher than that of Han Primary school students in Yanbian area BMI and cardiovascular risk factors and their aggregation intensity are closely related to the risk of disease with the increase of BMI levels.