Differential control rate of systolic and diastolic blood pressure among Korean adults with hypertension: The Sixth Korean national health and nutrition examination survey, 2013-2015 (KNHANES VI)

So Mi Jemma Cho, Hokyou Lee, Wook Bum Pyun, Hyeon Chang Kim

Research output: Contribution to journalReview articlepeer-review

9 Scopus citations

Abstract

Background and Objectives: Discrepancy in blood pressure (BP) control rate may be owed to different risk factors associated with elevated systolic and diastolic BP (SBP and DBP). Methods: In a nationally representative survey of Korean population with BP measurements, a total of 5,100 participants with hypertension was included in the analyses. Three separate types of control rates were calculated: SBP, DBP, and (combined) S&DBP among all participants with hypertension and participants with treated hypertension, separately. Control rates were compared across sex and age groups. Multivariable logistic regression was used to identify demographic factors associated with SBP, DBP, and S&DBP control rates, separately. Results: In total, SBP, DBP, and S&DBP control rates were 63.0%, 63.7%, and 42.5% among all hypertension patients, and 77.5%, 87.4%, and 71.6% among treated hypertension patients. Men aged 40-49 years with hypertension and 30-39 years treated for hypertension had the highest SBP control rate (74.6% and 96.2%), which decreased by older age. Inversely, DBP control rate progressively increased with older age. SBP control rate among women with hypertension was the highest in 40-49 years (67.0%) but without linear trend by age group. Interestingly, both combined and DBP control rates were noticeably low among women aged 50-59 years. Women with body mass index ≥25 were at higher odds of having controlled SBP. Lower DBP control rate was observed in men with lower education level, higher household income, and heavy drinkers. Conclusions: Separate examination of control rates demonstrated different sex- and age-differential trends, which would have been overlooked in combined control rates.

Original languageEnglish
Pages (from-to)1035-1048
Number of pages14
JournalKorean Circulation Journal
Volume49
Issue number11
DOIs
StatePublished - 2019

Keywords

  • Blood pressure
  • Chronic disease
  • Hypertension

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