Incidence of hypertension in Korea: 5-year follow-up study

Jang Hoon Lee, Dong Heon Yang, Hun Sik Park, Yongkeun Cho, Jae Eun Jun, Wee Hyun Park, Byung Yeol Chun, Ji Yeon Shin, Dong Hoon Shin, Kyeong Soo Lee, Kee Sik Kim, Kwon Bae Kim, Young Jo Kim, Shung Chull Chae, Moon Young An, Ji Yong Choi, Sung Woo Ha, Nam Soo Hong, Seung Ho Hur, Jun Hyun HwangTae Yoon Hwang, Soo Hee Jin, Eui Dal Jung, Sin Kam, Bo Wan Kim, Hye Soon Kim, Jong Yeon Kim, Jung Guk Kim, Keon Yeop Kim, Ki Su Kim, Duk Hee Lee, Hyoung Woo Lee, In Kyu Lee, Jung Jeung Lee, Kyung Eun Lee, Mi Young Lee, Sang Hee Lee, Bu Dol Lim, Ji Seun Lim, Chang Wook Nam, Keun Gyu Park, Sun Kyun Park, Jae Kean Ryu, Dong Gu Shin, Ho Sang Shon, Hyo Kyung Son, Kyu Chang Won, Jin Hoon Yang, Gyeong Im Yu

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31 Scopus citations

Abstract

Limited data are available about the incidence of hypertension over the 5-yr in nonhypertensive subjects. The study subjects were 1,806 subjects enrolled in a rural area of Daegu, Korea for a cohort study from August to November 2003. Of them, 1,287 (71.3%) individuals had another examination 5 yr later. To estimate the incidence of hypertension, 730 non-hypertensive individuals (265 males; mean age = 56.6 ± 11.1 yr-old) at baseline examination were analyzed in this study. Hypertension was defined as either a new diagnosis of hypertension or self-reports of newly initiated antihypertensive treatment; prehypertension was if the systolic blood pressure was 120-139 mmHg and/or diastolic blood pressure was 80-89 mmHg. During the 5-yr follow-up, 195 (26.7%) nonhypertensive individuals developed incident hypertension. The age-adjusted 5-yr incidence rates of hypertension were 22.9% (95% confidence interval [CI] = 19.9-29.0) in overall subjects, 22.2% (95% CI = 17.2-27.2) in men, and 24.3% (95% CI = 20.4-28.2) in women. The incidence rates of hypertension significantly increased with age. In the multivariate analysis, prehypertension (Odds ratio [OR] 2.25; P < 0.001) and older age (OR 2.26; P = 0.010) were independent predictors for incident hypertension. In this rapidly aging society, population-based preventive approach to decrease blood pressure, particularly in subjects with prehypertension, is needed to reduce hypertension.

Original languageEnglish
Pages (from-to)1286-1292
Number of pages7
JournalJournal of Korean Medical Science
Volume26
Issue number10
DOIs
StatePublished - Oct 2011

Keywords

  • Blood pressure
  • Hypertension
  • Incidence
  • Population

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