BMI percentile curves for Chinese children aged 7-18 years, in comparison with the WHO and the US Centers for Disease Control and Prevention references

Ma, Jun, Wang, Zhiqiang, Song, Yi, Hu, Peijin and Zhang, Bing (2010) BMI percentile curves for Chinese children aged 7-18 years, in comparison with the WHO and the US Centers for Disease Control and Prevention references. Public Health Nutrition, 13 12: 1990-1996. doi:10.1017/S1368980010000492


Author Ma, Jun
Wang, Zhiqiang
Song, Yi
Hu, Peijin
Zhang, Bing
Title BMI percentile curves for Chinese children aged 7-18 years, in comparison with the WHO and the US Centers for Disease Control and Prevention references
Journal name Public Health Nutrition   Check publisher's open access policy
ISSN 1368-9800
1475-2727
Publication date 2010-12-01
Sub-type Article (original research)
DOI 10.1017/S1368980010000492
Volume 13
Issue 12
Start page 1990
End page 1996
Total pages 7
Place of publication Cambridge, U.K.
Publisher Cambridge University Press
Collection year 2011
Language eng
Formatted abstract
Objective
To establish BMI percentile curves that describe the contemporary BMI distribution among Chinese children, and to compare their BMI percentile curves with those in two recently developed international references: the WHO and the US Centers for Disease Control and Prevention (US CDC) growth references.

Design
A cross-sectional national survey.

Setting
Thirty provinces, municipalities and autonomous regions in China.

Subjects
Nationally representative sample of 232 140 school students aged 7–18 years.

Results
BMI percentile curves were established using the LMS method, and were compared with the percentiles of the WHO and the US CDC references. BMI distributions and growth patterns in Chinese children were dramatically different from those in the two international reference populations. Compared with the international reference populations, younger Chinese boys (7–12 years of age) had higher values of the percentiles above the median and lower values of the percentiles below the median, suggesting that they had larger proportions of extreme BMI values in both directions. Chinese girls and older Chinese boys (15–18 years of age) had substantially lower BMI percentiles than their counterparts in the reference populations, particularly those high percentiles among older age groups.

Conclusions
The present study described the unique patterns of BMI curves at the national level, and these curves are useful as a reference for comparing different regions and for monitoring changes over time in Chinese children. Higher proportions of children with extreme values in both directions indicate that China is currently facing both an increasing level of obesity and a high level of undernutrition, simultaneously.
© Cambridge University Press 2011

Keyword Body mass index
Chinese children
Obesity
Growth reference
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
School of Medicine Publications
 
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Created: Sun, 19 Dec 2010, 10:02:22 EST