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[Spatial distribution of hemoglobin in children aged 0-2 years in China in 2013]

Shujuan Li1, Dongmei Yu1, Liyun Zhao1

  • 1National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China.

Wei Sheng Yan Jiu = Journal of Hygiene Research
|December 27, 2019
PubMed

Insights

Hemoglobin levels in Chinese children aged 0-2 vary significantly by region, with distinct high and low value areas identified. This spatial distribution, crucial for anemia assessment, shows no correlation with altitude.

Area of Science:

  • Pediatric Nutrition
  • Hematology
  • Geographic Epidemiology

Background:

  • Anemia diagnosis in children requires region-specific hemoglobin reference values.
  • Understanding spatial variations in hemoglobin is essential for targeted public health interventions.

Purpose of the Study:

  • To map the spatial distribution of hemoglobin levels in children aged 0-2 years across China.
  • To identify regional differences in hemoglobin values to aid in anemia assessment.

Main Methods:

  • Analysis of hemoglobin data from 13,951 children (aged 0-2) from the 2010-2013 National Nutrition and Health Survey.
  • Utilized SAS for statistical analysis and Geographic Information System (GIS) with inverse distance weighted (IDW) spatial interpolation to create distribution maps.

Main Results:

  • Average hemoglobin values ranged from 112.02 to 139.03 g/L.
  • Highest values observed in Heilongjiang and Gansu provinces; distinct high-value areas identified in inland and coastal regions.
  • Low-value hemoglobin areas were mapped in central and southern China, as well as parts of the northeast and north.

Conclusions:

  • Significant regional disparities in children's hemoglobin levels exist across China.
  • Spatial mapping reveals localized high and low hemoglobin value zones.
  • No significant correlation found between hemoglobin distribution and altitude.
Abstract

Keywords:
children aged 0-2 yearshemoglobinspatial distribution

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