Objective To investigate the prevalence of overweight and obesity among children aged 7~12 years old in Weihua primary school in Zhangjiakou,and analyze their relationships between obesity and blood pressure,vital capacity. Methods In September 2012,1 530 children aged 7~12 years old were involved by a cluster sampling method in Weihua primary school in Zhangjiakou.The weight,height,blood pressure,vital capacity,and other related indexes were measured,with body mass index (BMI) being calculated.According to the BMI value,the overweight and obese children were defined.The relationships between obesity and blood pressure levels,vital capacity were also analyzed. Results The total prevalence of overweight and obesity in involved children were 13.01% and 14.25%,respectively.Among boys and girls,the prevalences were 17.2% and 8.31% for overweight,while 14.23% and 8.59% for obesity,respectively.Both the prevalences of overweight and obesity in boys were significantly higher than those in girls (P<0.01).The systolic blood pressure (SBP) and diastolic blood pressure (DBP) levels were higher in overweight and obese children than those in the normal weight children (P<0.01).The detection rates of high blood pressure among overweight,obesity and normal children were 10.55%,39.95% and 4.85%,respectively,which had a significant difference(P<0.01).When the children's BMI was less than 30,BMI was positively correlated with vital capacity,and when the children's BMI was greater than or equal to 30,BMI was negatively correlated with vital capacity. Conclusions The prevalences of overweight and obesity are high among children in Weihua primary school in Zhangjiakou,and higher prevalence is found in the boys.The SBP and DBP levels of children are increasing continuously following by increasing obesity,and the prevalence of high blood pressure is also increasing from normal weight,overweight to obesity.When children's BMI is greater than or equal to 30,the obesity has already affected lung's function.Results show that overweight and obesity in childhood made the function of heart and lung reduced.Therefore,the prevention and control of obesity is imperative in childhood.
Key words
overweight /
obesity /
blood pressure /
vital capacity /
children
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
References
[1] Wang Y,Lobstein T.Worldwide trends in childhood overweight and obesity[J].Int J Pediatr Obes,2006,1(1):11-25.
[2] Christodoulos AD,Douda HT,Tokmakidis SP.Cardiorespiratory fitness,metabolic risk and inflammation in children[J].Int J Pediatr,2012,2012:270515.
[3] 中国肥胖问题工作组.中国学龄儿童青少年超重、肥胖筛查体重指数值分类标准[J].中华流行病学杂志,2004,25(2):97-102.
[4] 米杰,王天有,孟玲慧,等.中国儿童青少年血压参照标准的研究制定[J].中国循证儿科杂志,2010,5(1):4-14.
[5] Ogden CL,Carroll MD,Kit BK,et al.Prevalence of obesity and trends in body mass index among US children and adolescents,1999-2010[J].JAMA,2012,307(5):483-490.
[6] 朱美红,花静,郭云琴,等.上海1320名儿童肥胖流行状况调查[J].中国儿童保健杂志,2011,19(4):309-312.
[7] Liu W,Lin R,Liu A,et al.Prevalence and association between obesity and metabolic syndrome among Chinese elementary school children:a school-based survey[J].BMC Public Health,2010,10:780-785.
[8] 杨巧玲,刘淑娟,安康,等.北京市海淀区9~14岁儿童营养过剩和血压偏高关系分析[J].中国学校卫生,2010,31 (10):1273-1274.
[9] Juhola J,Magnussen CG,Viikari JS,et al.Tracking of serum lipid levels,blood pressure,and body mass index from childhood to adulthood:the cardiovascular risk in young finns Study[J].J Pediatr,2011,159(4):584-590.
PDF(450 KB)
