Yonsei Med J.  2018 May;59(3):356-365. 10.3349/ymj.2018.59.3.356.

Trends in Blood Pressure and Prevalence of Hypertension in Korean Adults Based on the 1998–2014 KNHANES

Affiliations
  • 1Department of Family Medicine, Chungbuk National University Hospital, Cheongju, Korea.
  • 2Department of Epidemiology and Health Promotion, Graduate School of Public Health, Yonsei University, Seoul, Korea.
  • 3Department of Family Medicine, Chungbuk National University College of Medicine, Cheongju, Korea. kanght0818@gmail.com
  • 4Department of Medicine, Graduate School of Yonsei University, Seoul, Korea.
  • 5Graduate School, College of Medicine, Yonsei University, Seoul, Korea.
  • 6Division of Cardiology, Department of Internal Medicine, Chungbuk National University College of Medicine, Cheongju, Korea.
  • 7Departement of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
  • 8Department of Family Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea.
  • 9International Health Care Center, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.

Abstract

PURPOSE
To investigate trends in blood pressure (BP) and hypertension prevalence in Korea.
MATERIALS AND METHODS
Based on the Korean National Health and Nutrition Examination Survey (KNHANES) I (1998), II (2001), III (2005), IV (2007-2009), V (2010-2012), and VI (2013-2014), 56077 participants (23974 men and 32103 women) were included.
RESULTS
Mean systolic BP (SBP) and diastolic BP (DBP) decreased in both sexes (male SBP: 128.1 to 120.2 mm Hg, male DBP: 82.0 to 78.5 mm Hg; female SBP: 125.7 to 116.0 mm Hg and female DBP: 77.4 to 73.2 mm Hg from the KNHANES I-VI). The age-standardized prevalence of hypertension was significantly decreased in both sexes (male; 33.3% to 30.3%, female; 28.7% to 22.7%, all p for trend < 0.001). Regardless of taking anti-hypertensive medication or not, SBP and DBP declined universally in both sexes. Compared to the KNHANES I, the odds ratios (95% confidence intervals) of the KNHANES II to VI for less-than-normotensive and less-than-hypertensive BP increased in both sexes.
CONCLUSION
Mean BP levels in both sexes and hypertension prevalence showed downward trends during the 16-year period.

Keyword

Trend; blood pressure; hypertension; prevalence; epidemiology

MeSH Terms

Adult*
Blood Pressure*
Epidemiology
Female
Humans
Hypertension*
Korea
Male
Nutrition Surveys
Odds Ratio
Prevalence*
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