| ObjectivesWe selected three primary schools in Jinan City randomly. Their students took part in nutrition class and "Happy ten minutes" activity. We determined the morphological and biochemical indicators in order to evaluate the effect of comprehensive prevention-based dietary Control Technology on the childhood obesity intervention.MethodsWe selected the three schools as intervention school, the other schools as the control group by the different economic conditions. In selected primary schools, two classes (class size of about 30 people)Which were randomly draw from each grade (six years of primary school is 1-5 grade, five-year primary school is 1-4 grade) were selected The students of these schools were part in the survey of baseline data (questionnaire, physical examination, physical and blood chemistry, etc.).After collecting the based data, we carried out a 1-year nutrition class and physical activity intervention and the three control schools none. We collected the data and sorted the data 1 year later. Data were statistically analyzed by SPSS 16.0.Results1. The results show that the morphological index of the intervention group of student all raise one year later.The growth Morphological indicators which are associated with obesity such as body weight, waist circumference, waist height ratio were less in intervention schools than control group school intervention.And the differences were significant (P<0.05).2. The SBP and DBP in intervention schools were less than control group school (P<0.05).Meanwhile the growth of the SBP and DBP in intervention schools was less than control group school. And the differences were significant (P<0.05).3. The blood glucose values increased one year later. the boys' and girls blood glucose values' in Intervention school were less than control group.And the growth just like this. The difference was significant (all P<0.05).4. The blood biochemistry test showed that the increase of triglycerides in intervention school boys less than the control group, the difference was statistically significant (P<0.05). The total cholesterol and low density of these two indicators, both groups decreased. The other indictors were not statistically significant (P> 0.05), while the LDL-TC was significantly (P<0.05). The HDL-TC of Intervention school boys increased by 0.01 and the control school boys decreased by 0.09. The triglycerides, total cholesterol and LDL-TC in Intervention school girls increase less than the control group and the differences of total cholesterol and LDL-TC were statistically significant (P<0.05). The high-density were both decreased in two groups, but the intervention reduced was greater than the control school (P<0.05).5.The obesity rate analysis showed that the intervention students average prevalence rate of obesity was 20.3%, male 20.1%, female 20.5% after the intervention; the students of control school was 23.1%, boys 21.7%,24.6% for girls. The obesity rate was in control group higher than the intervention schools, but the difference was not statistically significant (P>0.05). Before the intervention, the obesity rate of intervention students was 24.4%, male 24.7%, female 22.6%.the obesity rate reduced in intervention students, but the difference was not statistically significant (P>0.05).6. After taking dietary and physical activity interventions one year, the rate of hypertension, systolic blood pressure and diastolic blood pressure in control school were higher than in interventional school, including systolic blood pressure anomalies intervention detection rate are statistically significant differences.(P<0.05). The rate of hypertension and diastolic blood pressure in Intervention former were higher than in interventions in interventional school (P>0.05). 7. After taking dietary and physical activity interventions one year, the number and the detection rate of abnormal blood lipid index in interventional school are less than the contrast. The difference of triglyceride was statistically significant (P< 0.05).The detection rate of total cholesterol, high-density cholesterol and low density cholesterol decreased abnormal in Intervention former were decreased in interventional school (P>0.05). The difference of total cholesterol and low density cholesterol was statistically significant (P<0.05).ConclusionAfter collecting the based data, we carried out a 1-year nutrition class and physical activity intervention and the three control schools none. We collected the data and sorted the data 1 year later. after a series of physical examination and the questionnaire survey, the results of the study indicated that:1. The nutrition intervention and physical activity interventions can reduce morphological indicators, more obvious, especially on the role on girls2. The nutrition intervention and physical activity interventions can significantly reduce the glucose and blood lipid. the detection rate of dyslipidemia was significantly reduced3. After the intervention, the prevalence of obesity and hypertension in the intervention group should be lower than the control group. and the prevalence rate of obesity and hypertension was significantly reduced.In short, if we do the nutrition intervention and physical activity interventions in long-term, there will be able to get a very good effect to control obesity. |
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