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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.

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



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


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.


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.


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.


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

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