title: [Study on vitamin A nutrition status in plasma of different economic level of Chinese 3- 12-year-old children].
abstract: OBJECTIVE
  To know the Vitamin A nutrition status of different economic level of Chinese 3-12y children.
  
  
  METHODS
  Blood samples were drown from 132 investigated counties of National Nutrition and Health Survey 2002, while each age group of children 6 blood samples were drown with boys and girls respectively. All blood samples were determined with HPLC.
  
  
  RESULTS
  The vitamin A level in plasma is different in different economic level, and the vitamin A nutrition status is correlative with the family income.
  
  
  CONCLUSIONS
  The result also indicates that the vitamin A level in plasma of 3-12y children is influent with the family economic level, and the result will provide the data to work out the strategy to improve the vitamin A nutrition status.
authors: Institute of Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing 100050, China.
authors: Deqian
authors: D
authors: Mao
authors: Ning
authors: N
authors: Guo
authors: Ning
authors: N
authors: Qu
authors: Jing
authors: J
authors: Chen
mesh_terms: D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D002851:Chromatography, High Pressure Liquid; D004467:Economics; D005260:Female; D006801:Humans; D008297:Male; D009749:Nutrition Surveys; D015995:Prevalence; D014801:Vitamin A / Q000097:blood*; D014802:Vitamin A Deficiency / Q000453:epidemiology*
chemical_list: D014801:Vitamin A