资阳市农村留守儿童宏量营养素和钙摄入现况

Macronutrient and calcium intakes of rural left-behind children living in Ziyang

目的了解农村留守儿童营养素摄入情况以及相关影响因素,为开展营养干预、改善农村儿童营养状况提供依据。方法分层整群抽取四川省资阳市2所农村小学二～五年级学生共计472名,使用调查问卷收集家庭构成,并采用7 d连续膳食个人食物登记法收集调查对象的饮食状况。结果非留守、双亲留守、单亲留守儿童的总能量摄入量与推荐值之比分别为0.57,0.56,0.52,总能量、脂肪、钙的摄入量差异均有统计学意义(P<0.05或P<0.01);回归分析显示,留守类别、吃零食情况是影响农村儿童总能量摄入的重要因素。结论农村留守儿童膳食营养素中的总能量、蛋白质、脂肪、钙的摄入量均不足。应着重针对留守儿童及其吃零食行为等方面进行膳食营养干预。

Objective To investigate the macronutrient and calcium intake status and related factors among left-behind children living in rural areas.Methods By applying the stratified cluster sampling,472 children and adolescents in grade 2-5 were enrolled in rural areas to complete the questionnaires about general status and nutrient intake status.Results The ratios of gross energy intake and its RNIs for no-left-behind children,left-behind children with parents,and left-behind children with single parent were 0.57,0.56 and 0.52,and variance analysis showed that the difference was statistically significant（P0.05）,same were the fat and calcium＇s intake.Regression analysis showed that the main related factors were left type,the conditions of eating snacks and so on.Conclusion The nutrient intake status of rural children especially in gross energy,fat and calcium was worrying,especially for left-behind children.So the nutrition intervention should focus on left-behind children and their behavior of eating snacks.