[Influencing factors of malnutrition of the children within 6 years in pour rural areas of Yunnan Province].
OBJECTIVE
To analyze the status of malnutrition for the children within 6 years in pour rural areas of Yunnan during 2006 - 2009 and to study it's influencing factors.


METHODS
By the random cluster sampling and stratified sampling methods, 4873 children within 6 years in rural areas were selected from four poverty-stricken counties in Yunnan Province. The questionnaire survey including questionnaire, anthropometric measurement and dietary survey such as body height and weight were used respectively for the survey. Z scores were calculated to evaluate the nutritional status. The prevalence of malnutrition was calculated by statistics software. Multiple factors analysis were finished by non condition logistic regression in software.


RESULTS
During 2006 - 2009, of all children under the age of 6 years, the underweight rate is 15.2%, stunted growth rate is 11.5% and emaciation rate is 7.1% in impoverished rural area of Yunnan Province. Removing other variables, the result indicated: (1) The children with breastfeeding in first six months are less possible to get malnutrition than the children with formula feeding or mixed breastfeeding and formula feeding. (2) The children who are complemented grains, eggs, fruits and zinc supplement are less possible to get malnutrition than those children who are not. (3) Comparing these children who are provided with calcium supplement, the children who are not are more possible to get malnutrition. (4) Supplying supplementary such as animal liver and blood in earlier period can decrease the possibility to get malnutrition among 2-5 years old children.


CONCLUSIONS
The main influencing factors of Children malnutrition include feeding ways in first six months, increasing supplementary food in recent one month among the children younger than 2 years old, month age when supplementary food were introduced in 2-5 years old children, and the types and frequency of introducing supplementary food among 2-5 years old children.
Yunnan Provincial Center for Disease Control and Prevention, Kunming 650022, China.
Jiang
J
Zhao
Rong
R
Wan
Qingqing
Q
Wan
Juanjuan
J
Li
D001835:Body Weight; D001942:Breast Feeding; D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D004032:Diet; D006801:Humans; D007223:Infant; D016015:Logistic Models; D044342:Malnutrition / Q000453:epidemiology*; D009752:Nutritional Status; D011203:Poverty; D015995:Prevalence; D011795:Surveys and Questionnaires; D013851:Thinness