[The influence of the nutrient supplement for children on the nutrition and health status and intelligence of children of schooling age in the countryside of children of schooling age during 2 years].
OBJECTIVE
To analyze the effect of complex nutrients on growth and development, intelligence and nutrition state of 6-12 years old children in two continuous years.


METHODS
According to the rural school's similar condition, such as social economical statement, education condition and proportion of students entering schools, 6 rural schools were respectively selected in Xishui County of Hubei Province as the experimental group and control group. In the former, middle and later periods (2004, 2005, 2006 ), growth and development, nutrition state and intelligence were analyzed and compared.


RESULTS
The increase of height and weight in experimental group were higher than those of the control group. In 2 years, height in experimental group increased 12.9 cm, while the control group increased 11.5 cm. Weights increased in experimental group were 6.6 kg, while the control group increased 5.2 kg. Girl's bone density in experimental group increased from 0.236 g/cm in 2004 to 0.280 g/cm in 2006. The hemoglobin contents of 4 age group's children in experimental group increased significantly (P < 0.05) . While the anemia prevalence decreased 25 .8% in 2 years, the control group decreased 7.2%. Moreover, other results showed that the complex nutrients also have some effect on the intelligence in experiment group.


CONCLUSIONS
The complex nutrients supplement could improve the rural school children's growth and development, bone and intelligence.
Zhao
Liyun
L
Nutrition and Food Safety Institution, Chinese Center for Disease Control and Prevention, Beijing 100050, China. liyun1964@vip.sina.com
Yu
Wentao
W
Jia
Fengmei
F
Liu
Aidong
A
Vi
Guoqin
G
Song
Yi
Y
Gong
Chenrui
C
Hua
Liming
L
Zhang
Jiguo
J
Zhai
Fengying
F
D001827:Body Height / Q000187:drug effects; D001835:Body Weight / Q000187:drug effects; D002648:Child; D002657:Child Development / Q000187:drug effects*; D002681:China; D019587:Dietary Supplements; D005260:Female; D006304:Health Status; D006801:Humans; D007360:Intelligence / Q000187:drug effects*; D008297:Male; D018977:Micronutrients / Q000008:administration & dosage*; D009752:Nutritional Status / Q000187:drug effects*; D012423:Rural Health; D013997:Time Factors
D018977:Micronutrients