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EXCLI J. 2015 Mar 24;14:465-77. doi: 10.17179/excli2014-635. eCollection 2015.

Blood pressure percentiles by age and body mass index for adults.

Author information

1
Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
2
Department of Medicine, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
3
Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
4
Department of Community Medicine, Iran University of Medical Sciences, Tehran, Iran ; Saveh Medical University, Saveh, Iran ; Center for Disease Control, Ministry of Health and Medical Education, Tehran, Iran.
5
Department of Intensive Care Nursing, School of Nursing and Midwifery, Tehran, University of Medical Sciences, Tehran, Iran.
6
Department of Occupational Health Engineering, Faculty of Public Health, Tehran, University of Medical Sciences, Tehran, Iran.
7
Saveh Medical University, Saveh, Iran.
8
Saveh Medical University, Saveh, Iran ; Department of Epidemiology, School of Public Health, Sahid Beheshti University of Medical Sciences, Tehran, Iran.

Abstract

Since no comprehensive study has been conducted on blood pressure (BP) percentiles established upon nationally representative sample population of adults, the present study aimed to construct the blood pressure percentiles by age, sex and body mass index (BMI) of the subjects. Analyses were based on data collected in 2011 from 8,425 adults aged 25 to 69 years old. Data on demographic characteristics, anthropometric measurements, and blood pressure was recorded for each subject. Linear Regression analysis was used to assess the adjusted relationship of age-sex-specific standard deviation scores of BMI, height, and weight with blood pressure. Four separate models for systolic blood pressure (SBP) and diastolic blood pressure (DBP) of men and women were constructed for BP percentiles according to age and BMI. Blood pressure increased with the rise in BMI and weight, but showed a negative correlation with height. SBP and DBP rose steadily with increasing age, but the rise in SBP was greater than DBP. Overweight and obese population, seem to fall into the category of hypertensive. The findings of present study show that BP percentiles are steadily increased by age and BMI. In addition, most obese or overweight adults are hypertensive.

KEYWORDS:

Blood pressure percentile; adults; age; body mass index; nomograms

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