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目的以0.67<?WAZ>-0.67为依据研究4～12月龄婴儿能量摄入、乳类摄入产能与其它食物产能比,分析其相关因素。研究对象和方法2004年11月～2005年3月重庆医科大学儿童医院儿童保健门诊4月龄婴儿132名,定期随访至12月龄。分A组(4～5月龄)、B组(6～8月龄)、C组(9～12月龄)。两名专业人员负责体格测量。体格评价以CDC2000为参数。若?WAZ<-0.67则终止随访。食物称重与食物记录法计算每日食物摄入情况。结果1.各组婴儿体格发育良好,0.67<?WAZ>-0.67时婴儿平均食物摄入量为119～128g/kg.d;平均蛋白质摄入量分别为1.82g/kg.d、2.76g/kg.d、3.52g/kg.d;乳类摄入分别是总能量的93%、64%、56%;平均乳类摄入量为900～750g/d;平均能量摄入分别为83.9kcal/kg.d、81.6kcal/kg.d、85.8kcal/kg.d,接近WHO2003标准,低于中国营养学会推荐值;能量密度为0.6～0.8kcal/g。2、多元线性回归分析结果显示食物摄入量、能量密度是影响能量摄入的主要因素。结论本组4～12月龄婴儿能量摄入为82kcal/kg.d～86kcal/kg.d时婴儿体格发育正常;4～12月龄婴儿期乳类摄入量达750～900g/d可满足婴儿大部分能量、蛋白质需要;食物摄入量和能量密度是影响婴儿能量摄入的两个最重要因素;婴儿食物能量密度以0.6～0.8kcal/g为宜。
Objective To study the energy intake, milk intake capacity and other food productivity of 4 ~ 12 months old infants on the basis of 0.67 <? WAZ> -0.67, and analyze the related factors. Subjects and Methods Children from November 2004 to March 2005 in Chongqing Children’s Hospital of Chongqing Medical University clinics 132-month-old 4-month-old, regular follow-up to 12 months of age. Group A (4-5 months old), group B (6-8 months old), group C (9-12 months old). Two professionals are responsible for the physical measurement. Physical evaluation to CDC2000 as a parameter. If WAZ <-0.67, the follow-up will be terminated. Food Weighing and Food Logging Calculate daily food intake. The results showed that the infants in each group developed well in physical fitness, the average food intake of infants was 119 ~ 128g / kg.d at 0.67 <? WAZ> -0.67, and the average protein intake was 1.82g / kg.d, 2.76g / kg.d and 3.52g / kg.d respectively; the intake of milk was 93%, 64% and 56% of the total energy respectively; the average milk intake was 900-750g / d; the average energy intake was 83.9kcal / kg.d, 81.6kcal / kg.d, 85.8kcal / kg.d, close to the WHO2003 standard, lower than the recommended value of the Chinese Society of Nutrition; energy density of 0.6 ~ 0.8kcal / g. 2, Multiple linear regression analysis showed that food intake, energy density is the main factor affecting energy intake. Conclusion This group of 4 to 12-month-old infants intake of 82kcal / kg.d ~ 86kcal / kg.d normal physical development of infants; 4 to 12-month-old infant milk intake of 750 ~ 900g / d can meet Most of the baby’s energy, protein needs; food intake and energy density are the two most important factors affecting infant energy intake; infant food energy density of 0.6 ~ 0.8kcal / g is appropriate.