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The first part of the Miluo City high school students are overweight, obese status research purposes: site survey Miluo students overweight, obesity prevalence for the functional departments to provide a scientific basis for developing interventions. Methods: A random cluster sampling method Miluo four secondary schools, collected a total of 7,797 11-18 year-old students at the school for all height and weight were measured, using the method of weight for height screening overweight and obesity. Results: (1) Tears Doral prevalence of overweight and obesity were 10.9% versus 5.3%; (2) sample information through comparative analysis, the boys are overweight, obese detection rate was significantly higher than girls (14.8% vs 6.9% , 6.8% vs 3.5%, P = 0.000); ages in the 13-14 age group was no significant difference between men and women are overweight, in addition to 13-14 age group, 17-18 year-old group of overweight boys than girls ( P = 0.00-0.02). Four groups of 13-17 years, the detection rate of obesity in boys and girls (P = 0.000-0.041) ,17-18 age group, the difference was not statistically significant; overweight and obesity were concentrated in 11-12,12-13,13 -14,14-15,15-16 age group five groups. Conclusions: (1) Tears Doral prevalence of overweight students is not optimistic, but lower rates of obesity, overweight should control the phenomenon of early control of the development of overweight and obesity prevention to focus. (2) Students tears Doral rendered on the prevalence of overweight and obesity female male high low, boys as obesity interventions should focus groups; overweight and obesity were concentrated in 11-12,12-13,13-14,14 - 15,15-16 age group five groups, interventions should focus on this age. The second part of the birth weight and obesity between students Objective: To investigate birth weight and obesity in middle school students, high school students to prevent and reduce obesity and provide scientific basis. Methods: In a randomized cluster sampling method tears Doral four high school students were screened obesity on screening out students with normal weight students 1:1 matched case-control study, through questionnaires, Students on birth weight and obesity were analyzed. Results: (1) high birth weight child obesity risk is 2.36 times normal birth weight (P = 0.000). (2) low birth weight child obesity, the risk is a normal birth weight children 2.45 times (P = 0.046). (3) Students BMI and the quantitative relationship between birth weight showed \P = 0.000). Conclusions: (1) Low birth weight and high birth weight is a risk factor for obesity, high school students. (2) Prevention should be grabbed from the fetal period to strengthen health education during pregnancy, infancy suitable nutritional support physical activity, the development of women and children, health policy, adolescent obesity prevention.
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