2011•Zhongguo fuyou baojianRequires access
Analysis on the body mass index of students of Miao nationality in the border area of Hunan province,Hubei province,Chongqing and Guizhou province
Hui Zhang
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Abstract
Objective:To understand the distribution characteristics of body mass index(BMI) and nutritional status of 6～16-year old students of Miao nationality in the border area of Hunan province,Hubei province,Chongqing and Guizhou province. Methods:The body height and body weight of students of Miao nationality were measured by anthropometric method,then BMI was calculated by a formula,the distribution characteristics of BMI and nutritional status were analyzed. Results:The BMI values of male students and female students showed a increasing trend year by year with age,the annual increasing degrees of male students and female students were 0.40kg/m2 and 0.55kg/m2,respectively;the average value of BMI in female students under 11 years was significantly lower than that in male students under 11 years;but the average value of BMI in female students more than 12 years was significantly higher than that in male students more than 12 years;except 15-year old group,the BMI values of male students of Miao nationality in various age groups were higher than those of male students of Han nationality,there was significant difference among the most age groups(P0.05);the BMI values of female students of Miao nationality in various age groups were higher than the average value of BMI in national students of Han nationality(P0.05),the rates of malnutrition and overweight/obesity were lower the average levels of national students of Han nationality in 2005;there was no significant difference in the nutritional status between male students of Miao nationality and female students of Miao nationality. Conclusion:The general nutritional status of 6～16-year old students of Miao nationality in the border area of Hunan province,Hubei province,Chongqing and Guizhou province is good,but the phenomena of malnutrition,overweight and obesity still exists,nutritional education should be strengthened in students.