[Study on the vitamin a nutrition status in plasma of children at the ages of 3-12 years in different Chinese rural areas].
OBJECTIVE
To know the Vitamin A nutrition status of children at the ages of 3-12 years in different Chinese rural areas.


METHODS
Blood samples were drown from 88 investigated counties of National Nutrition and Health Survey 2002,while each age group of children from boys and girls 6 blood samples were drown respectively. All blood samples were determined with HPLC.


RESULTS
In coastal,interior and western area,the vitamin A deficiencies of at the ages of 3-12 years children were 5.5%, 15.4%, 10.2%, and the marginal vitamin A deficiencies were 40.5%, 53.8%, 50.1%. The vitamin A deficiencies and the marginal vitamin A deficiencies in coastal area could be lower than in interior and western area.


CONCLUSIONS
The vitamin A nutrition status is related with the geographic, food intake and life style.
Mao
Deqian
D
National Institute of Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing 100050, China.
Guo
Ning
N
Chen
Jing
J
He
Yuna
Y
D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D002851:Chromatography, High Pressure Liquid; D005260:Female; D006801:Humans; D008297:Male; D009752:Nutritional Status; D015995:Prevalence; D012423:Rural Health; D012494:Sampling Studies; D014801:Vitamin A / Q000097:blood*; D014802:Vitamin A Deficiency / Q000453:epidemiology*
D014801:Vitamin A