title: Prospective study on the effectiveness of complementary food supplements on improving status of elder infants and young children in the areas affected by Wenchuan earthquake.
abstract: OBJECTIVE
  To prospectively evaluate the efficiency of daily providing complementary food supplements decreasing malnutrition and anemia prevalence in elder infants and young children living in areas affected by Wenchuan Earthquake.
  
  
  METHODS
  Using promotional probability sampling method, 250 to 300 children from six-randomized townships (30 to 50 children in each township) in Kang County affected by the Earthquake were randomly chosen for follow up to evaluate intervention effectiveness using anthropometric measurement and hemoglobin level at six, twelve and eighteen months after start of intervention.
  
  
  METHODS
  All children from 6 to 18 months of age in Kang County (in North Western China) were daily provided with complementary food supplements containing multiple vitamins and minerals for up to 24 months of age. The intervention period lasted for one and half year.
  
  
  RESULTS
  At beginning of intervention, malnutrition prevalence, including underweight, stunting and wasting were respectively 4.5%, 8.9% and 3.5%; anemia prevalence was 74.3%. After one and half year intervention, the growth and anemia status were significantly improved; the percentages of wasting, stunting underweight prevalence were decreased from 3.5%, 8.9% and 4.5% to 1.7%, 5.0% and 3.3% respectively, and the anemia rates were significantly decreased.
  
  
  CONCLUSIONS
  Our results indicated that an intervention using complementary food supplements could improve nutritional status and elevate hemoglobin level in elder infants and young children, which would significantly decrease the prevalence of malnutrition and anemia.
authors.affiliation: Department of Chronic Diseases, Gansu Center for Disease Control and Prevention, Lanzhou City, Gansu Province, China.
authors.forename: Caixia
authors.initials: C
authors.lastname: Dong
authors.forename: Pengfei
authors.initials: P
authors.lastname: Ge
authors.forename: Xiaolan
authors.initials: X
authors.lastname: Ren
authors.forename: Jie
authors.initials: J
authors.lastname: Wang
authors.forename: Haoqiang
authors.initials: H
authors.lastname: Fan
authors.forename: Xiang
authors.initials: X
authors.lastname: Yan
authors.forename: Shi-an
authors.initials: SA
authors.lastname: Yin
mesh_terms: D000740:Anemia / Q000453:epidemiology / Q000209:etiology; D001827:Body Height; D001835:Body Weight; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D019587:Dietary Supplements; D004190:Disasters; D055866:Earthquakes; D004909:Erythrocyte Indices; D006801:Humans; D007223:Infant; D044342:Malnutrition / Q000453:epidemiology / Q000209:etiology; D009752:Nutritional Status; D015995:Prevalence; D011446:Prospective Studies
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