关键词: 学龄儿童, 微量营养素, 维生素A, 维生素D, 维生素E, 维生素缺乏

Abstract: Objective To learn the status of serum vitamin A,D,E level and the nutrition of school-aged children,and to provide the reference for the supplement of micro-nutrients and prevention of related diseases in the age group of children. Methods Totally 6 030 children from the age of six to twelve were recruited in the outpatient and inpatient departments at the First Affiliated Hospital of Jiamusi,the People's Hospital of Jiansanjiang,Central Hospital of Baoquanling etc more than 10 hospitals from May 2015 to April 2016.Vitamin A,D,E levels were directed and the differences were compared by gender,age-group and detecting season. Results The rate of lack of vitamin A was 55.1% and the adequate was 44.9%; the deficiency rate of vitamin E was 0.67% ;the lack rate of vitamin D was 37.9%,the insufficient was 24.2% and the adequate was 37.9%; The stratified analysis showed the levels of different gender was not statistically significant (P>0.05).There was no difference in different age-groups (P>0.05).There existed significantly difference in different seasons (P<0.05). Conclusion The levels of vitamin A,D are lower in school-aged children in Jiamusi area,and the differences of vitamin A,D and E are obvious in different seasons,which should arouse the attention of parents and the medical workers of all levels.

Key words: school-aged children, micro-nutrition, vitamin A, vitamin D, vitamin E, vitamin deficiency