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目的研究婴幼儿血红蛋白(Hb)水平与喂养状况的关系,探讨与婴幼儿铁营养状况不佳相关的饮食危险因素,为婴幼儿贫血防治提供可操作性方法。方法采用横断面研究方法,对北京市海淀区519例6~30个月龄婴幼儿进行Hb测定,由家长完成问卷调查。结果研究发现6~12个月龄是儿童贫血高危年龄段,贫血患病率为12.56%。进食红肉频次与Hb水平有显著相关性(RR=0.150,P=0.001)。结论喂养中饮食因素是导致婴幼儿铁营养状况不佳的主要原因。在基层儿童保健服务中可以把Hb在110~115 g/L这部分儿童作为预防贫血的窗口期,为基层儿童保健医生落实早期干预和使婴幼儿保持良好的营养健康状态提供参考依据。通过监测婴幼儿Hb水平对婴儿期贫血早期干预,使婴幼儿保持良好的营养健康状态,是儿童保健服务重点。
Objective To study the relationship between hemoglobin (Hb) levels and feeding status in infants and young children and to explore the dietary risk factors associated with poor iron nutrition status in infants and young children, and to provide a feasible method for the prevention and treatment of anemia in infants and young children. Methods A cross-sectional study was conducted to determine Hb in 519 infants aged 6 to 30 months in Haidian District, Beijing. The questionnaire was completed by parents. Results The study found that 6 to 12 months of age is a high risk age group of children with anemia, the prevalence of anemia was 12.56%. There was a significant correlation between frequency of eating red meat and Hb level (RR = 0.150, P = 0.001). Conclusion Dietary factors in feeding are the main reasons leading to poor iron nutrition in infants. Hb at 110-115 g / L can be used as a window to prevent anemia at the grassroots level for child health care. It can provide reference for primary care physicians to implement early intervention and maintain good nutrition and health for infants and toddlers. Early monitoring of infant Hb levels of early childhood anemia to maintain good nutritional health of infants and young children is a key focus of child health services.