【目的】 评价营养包对陕西宁强农村地区6~24月龄婴幼儿营养干预6个月的效果。 【方法】 对宁强县所有6~24月龄婴幼儿每天补充1包富含优质蛋白、多种维生素和矿物质的营养包,在干预开始前和干预6个月后共抽取634名婴幼儿进行身长、体重测量和指血血红蛋白检测。 【结果】 营养包干预6个月后,婴幼儿平均血红蛋白、身长、体重、年龄别体重(WAZ)、身高别体重(WHZ)分别提高7.4 g/L、3.3 cm、1.2 kg、0.6分、0.6分,差异均具有统计学意义(P<0.01);经χ²检验,干预后比干预前贫血患病率下降25.1%(P<0.01),生长迟缓率下降1.0%,低体重率下降5.4%(P<0.01),消瘦率下降4.0%(P<0.01)。 【结论】 给6~24月龄婴幼儿补充营养包6个月后可以显著降低婴幼儿的贫血患病率、低体重率和消瘦率。

【Objective】 To evaluate the intervention effects of Yingyangbao on infants and young children aged 6~24 months lived in rural area of Ningqiang,Shaanxi. 【Methods】 All the infants and young children aged 6~24 months in Ningqiang county were fed one sachet Yingyangbao which contains rich high quality protein,various vitamins and minerals per day for 6 months.634 infants and young children were selected as study objects by PPS sampling featured representative characteristics in Ningqiang both at the beginning and at 6 months after it.The length and weight were measured and finger hemoglobin were determined. 【Results】 After 6 months intervention,the average hemoglobin,length,weight,WAZ and WHZ were increased 7.4 g/L,3.3 cm,1.2 kg,0.6 score,0.6 score,respectively,the differences were statistically significant (P<0.01);the prevalence of anemia,stunting,underweight,and wasting was declined 25.1%(P<0.01),1.0%,5.4%(P<0.01),4.0%(P<0.01),respectively by chi-square test. 【Conclusion】 The results indicated that Yingyangbao could decrease the prevalence of anemia,underweight and wasting of these infants and young children aged 6~24 months after 6 months intervention.