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目的:了解黔南州布依族和苗族6~12岁儿童超重肥胖与空腹血糖(FBG)水平关系的民族差异。方法:2013年1月~2014年1月,采用分层整群随机抽样的方法抽取6~12岁布依族儿童986名,平均年龄(8.81±1.7)岁,苗族979名,平均年龄(8.95±1.9)岁,共计1 965名,进行问卷调查、家庭膳食调查和体格检查。抽取空腹静脉血,采用OLYMPUSAU2700全自动生化分析仪检测FBG含量水平。比较两民族不同体质量指数(BMI)分级FBG水平及高FBG患病率。通过Logistic回归分析探讨两民族BMI与FBG的关系。结果:布依族6~12岁儿童FBG水平为(5.21±1.12)mmol/L,苗族为(4.82±1.43)mmol/L,两者比较差异有统计学意义(P<0.01),且布依族超重、肥胖儿童能量摄入量、蛋白质摄入量及脂肪摄入量高于苗族,差异也有统计学意义(P<0.01)。布依族随着BMI(正常体质量、超重、肥胖)的增加,性别构成、FBG水平及高FBG患病率均增加,不同分级间两两比较差异均有统计学意义(P<0.01)。苗族儿童肥胖时FBG水平分别较正常体质量、超重升高,差异有统计学意义(P<0.01)。布依族儿童不同BMI分级性别构成、FBG水平及高FBG患病率分别与苗族儿童比较,差异均有统计学意义(P<0.01),布依族儿童高于苗族儿童。线性回归分析显示BMI每增加1级,两民族FBG水平增加,差异有统计学意义(P<0.05),布依族儿童增加显著(β值0.432,P<0.01),苗族(β值0.134,P<0.05)。Logistic回归分析显示,与正常体质量比较,超重和肥胖时高FBG患病风险增加。结论:黔南州布依族和苗族6~12岁儿童超重肥胖BMI增加对FBG的影响存在民族差异。
Objective: To understand the ethnic differences of the relationship between overweight and obesity and fasting blood glucose (FBG) in Buyi and Miao ethnic groups aged 6 ~ 12 in Qiannan Prefecture. Methods: From January 2013 to January 2014, 986 Buyi children aged 6-12 years were collected by stratified cluster random sampling method, with an average age of 8.81 ± 1.7 years, 979 Miao people and an average age of 8.95 ± 1.9) years old, a total of 1 965, conducted a survey, family diet and physical examination. Fasting venous blood was drawn and the level of FBG was measured by OLYMPUS AU2700 automatic biochemical analyzer. Compare the two groups with different body mass index (BMI) grade FBG levels and high prevalence of FBG. Logistic regression analysis to explore the relationship between the two ethnic BMI and FBG. Results: The FBG levels of children aged 6 ~ 12 years were (5.21 ± 1.12) mmol / L in Buyi ethnic group and (4.82 ± 1.43) mmol / L in Miao nationality, the differences were statistically significant (P <0.01) The energy intake, protein intake and fat intake of obese children were higher than those of Miao people (P <0.01). With the increase of BMI (normal body weight, overweight and obesity), sex composition, FBG level and the prevalence of high FBG were increased in Buyi people. There was significant difference between different grades (P <0.01). The level of FBG in obesity of Miao children were higher than normal body weight and overweight respectively (P <0.01). There were significant differences in the gender composition, FBG level and prevalence of FBG between Buyi children and Miao children (P <0.01). Buyi children were higher than Miao children. Linear regression analysis showed that for each level of BMI, FBG levels increased in both ethnic groups (P <0.05), while in BoYi children increased significantly (P = 0.432, P <0.01) 0.05). Logistic regression analysis showed that compared with normal body mass, the risk of high FBG increased in overweight and obesity. CONCLUSION: There are ethnic differences in the effects of increased BMI overweight and obesity among children aged 6 ~ 12 in Buyi and Miao nationalities in Qiannan Prefecture.