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目的:了解沈阳市3～6岁集体儿童血清维生素A水平及相关因素。方法:采用血清维生素A检测及儿童调查问卷方法。结果:沈阳市3～6岁集体儿童血清维生素A平均水平为(1.20±0.25)μmol/L,亚临床维生素A缺乏(SVAD)患病率为4.36%,可疑SVAD患病率为23.69%。各年龄间、性别间血清维生素A水平、SVAD患病率、可疑SVAD患病率无显著影响;城乡及不同类别园所儿童血清维生素A水平、SVAD患病率、可疑SVAD患病率有显著性差异。儿童血清维生素A水平与母亲职业有显著性差异,与缺铁性贫血患病呈负相关,与营养不良患病相关性不显著。结论:SVAD是沈阳市儿童尚存的营养问题之一,农村及二类以下园所是SVAD防治的重点,缺铁性贫血的儿童是易受SVAD伤害的人群。儿童SVAD受母亲的文化程度、职业及所在幼儿园膳食质量的影响。
Objective: To understand the serum vitamin A level and its related factors among children aged 3 ~ 6 in Shenyang. Methods: Serum vitamin A and children’s questionnaires were used. Results: The average level of serum vitamin A in children aged 3 ~ 6 years in Shenyang was (1.20 ± 0.25) μmol / L, the prevalence of subclinical vitamin A deficiency was 4.36%, and the prevalence of suspected SVAD was 23.69%. There was no significant difference in serum vitamin A level, prevalence of SVAD and prevalence of suspicious SVAD among different age groups and sex groups. The prevalence of serum vitamin A, prevalence of SVAD and suspicious SVAD in urban and rural children were significantly different difference. Serum vitamin A levels in children and mothers have significant differences, and iron deficiency anemia was negatively correlated with the prevalence of malnutrition is not significant correlation. CONCLUSIONS: SVAD is one of the remaining nutritional problems for children in Shenyang City. In rural areas and below two types of parks, SVAD is the focus of prevention and treatment. Children with iron deficiency anemia are vulnerable to SVAD. Children’s SVAD is influenced by their mother’s education level, their occupation and the quality of their kindergarten meal.