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Biomed Environ Sci. 2015 Jun;28(6):401-9. doi: 10.3967/bes2015.057.

Prevalence and Correlates of Elevated Blood Pressure in Chinese Children Aged 6-13 Years: a Nationwide School-Based Survey.

Author information

1
Division of Non-communicable Disease Control and Community Health, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
2
Office of Medical Statistics, Beijing Friendship Hospital, Beijing 100050, China.
3
Department of Division of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing 210029, Jiangsu, China.
4
Center for Global Health, University of Chicago, Chicago, IL 60637, USA.
5
Institute of Environmental Health and Related Product Safety, Chinese Center for Disease Control and Prevention, Beijing 100021, China.

Abstract

OBJECTIVE:

To estimate the prevalence of elevated blood pressure (EBP) in Chinese children and identify individual and family factors associated with EBP.

METHODS:

A nationwide cross-sectional study was conducted in 2010 using stratified cluster sampling. Participants' blood pressure was measured, and their parents completed a questionnaire on personal and family characteristics. Prevalence and correlates of EBP were assessed.

RESULTS:

Among a total of 24,333 participants, 20.2% of boys and 16.3% of girls had EBP. The prevalence of EBP increased with the ascending trend of waist circumference, Waist-to-height ratio, and body mass index. The adjusted prevalence ratios (aPRs) for obese boys and girls were 2.50 and 2.97, respectively. Fewer urban boys (16.2%) had EBP than rural boys (21.7%). Boys with a family history of hypertension were 12% more likely to have EBP. Children whose mothers received a college education tended to have lower likelihood of EBP; with an aPR was 0.85 among boys and 0.78 among girls.

CONCLUSION:

EBP is common among obese students and those who have a family history of hypertension. A negative association between mothers' education levels and EBP risk in children was found.

KEYWORDS:

Body mass index; Children; China; Cross-sectional study; Elevated blood pressure; Waist circumference; Waist-to-height ratio

PMID:
26177900
DOI:
10.3967/bes2015.057
[Indexed for MEDLINE]
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