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目的:了解沈阳市农村幼儿园儿童血清维生素A水平及相关影响因素。方法:检测儿童血清维生素A水平,并以问卷的方式对儿童进行调查。结果:沈阳市农村幼儿园儿童血清维生素A平均为(1.08±0.21)μmol/L;亚临床维生素A缺乏(SVAD)患病率为8.75%,可疑SVAD患病率44.73%;各年龄、性别间血清维生素A水平、SVAD患病率、可疑SVAD患病率无显著性差异;儿童血清维生素A水平与母亲职业呈负相关,母亲职业为干部的儿童SVAD、可疑SVAD的患病率低于其他职业,与缺铁性贫血呈负相关,与营养不良无明显相关性。结论:SVAD是我市儿童存在的营养问题之一,农村、二类以下幼儿园是SVAD防治的重点,缺铁性贫血的儿童是SVAD的易患人群,儿童SVAD受母亲文化程度、职业及所在幼儿园膳食质量的影响。
Objective: To understand the level of serum vitamin A in children in kindergarten of Shenyang City and the related influencing factors. Methods: The level of serum vitamin A in children was detected and the children were investigated by questionnaire. Results: The average level of serum vitamin A was (1.08 ± 0.21) μmol / L in children from rural kindergarten in Shenyang City. The prevalence of subclinical vitamin A deficiency (SVAD) was 8.75% and the prevalence of suspected SVAD was 44.73% There was no significant difference in the prevalence of vitamin A, the prevalence of SVAD and the prevalence of suspicious SVAD. The level of serum vitamin A in children was negatively correlated with that of mothers, and the prevalence of SVAD was lower in mothers with cadres than those in other occupations. And iron deficiency anemia was negatively correlated with malnutrition no significant correlation. Conclusion: SVAD is one of the nutritional problems of children in our city. In rural areas, the second category of kindergartens is the focus of prevention and treatment of SVAD. Children with iron deficiency anemia are predisposed to SVAD. SVAD is influenced by mother’s education level, occupation and kindergarten The impact of diet quality.