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Original Article
Frequency and Related Factors of Masked Hypertension at a Worksite in Korea
Sang-Kyu Kim, Jun-Ho Bae, Dung-Young Nah, Dong-Wook Lee, Tae-Yoon Hwang, Kyeong-Soo Lee
J Prev Med Public Health. 2011;44(3):131-139.   Published online May 17, 2010
DOI: https://doi.org/10.3961/jpmph.2011.44.3.131
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  • 5 Crossref
AbstractAbstract PDF
Objectives

Masked hypertension is associated with metabolic risks and increased risk of cardiovascular disease. The purpose of this study was to identify the frequency of and risk factors of masked hypertension in Korean workers.

Methods

The study was conducted among 121 employees at a hotel in Gyeongju, Korea, from December 2008 to February 2009. We measured blood pressure (BP) both in the clinic and using 24-hour ambulatory BP monitors for all subjects. Hypertension was defined independently by both methods, and subjects were classified into four groups: true normotension, masked hypertension, white coat hypertension, and sustained hypertension.

Results

The frequency of masked hypertension in our study group was 25.6%. Compared with true normotension, the factors related to masked hypertension were male gender (odds ratio [OR], 10.7; 95% confidence interval [CI], 1.41 to 81.09), aging one year (OR, 0.88; 95% CI, 0.78 to 0.99), clinic BP 120-129/80-84 mmHg (OR, 8.42; 95% CI, 1.51 to 46.82), clinic BP 130-139 / 85-89 mmHg (OR, 12.14; 95% CI, 1.80 to 81.85), smoking (OR, 5.51; 95% CI, 1.15 to 26.54), and increase of total cholesterol 1 mg / dL (OR, 1.05; 95% CI, 1.02 to 1.08). In males only, these factors were clinic BP 120-129 / 80-84 mmHg (OR, 15.07; 95% CI, 1.55 to 146.19), clinic BP 130-139 / 85-89 mmHg (OR, 17.16; 95% CI, 1.56 to 189.45), smoking (OR, 11.61; 95% CI, 1.52 to 88.62), and increase of total cholesterol 1 mg/dL (OR, 1.05; 95% CI, 1.01 to 1.09).

Conclusions

The frequency of masked hypertension was high in our study sample. Detection and management of masked hypertension, a known strong predictor of cardiovascular risk, could improve prognosis for at-risk populations.

Summary

Citations

Citations to this article as recorded by  
  • Does This Adult Patient Have Hypertension?
    Anthony J. Viera, Yuichiro Yano, Feng-Chang Lin, David L. Simel, Jonathan Yun, Gaurav Dave, Ann Von Holle, Laura A. Viera, Daichi Shimbo, Shakia T. Hardy, Katrina E. Donahue, Alan Hinderliter, Christiane E. Voisin, Daniel E. Jonas
    JAMA.2021; 326(4): 339.     CrossRef
  • Prevalence and determinants of masked hypertension among obese individuals at the Yaoundé Central Hospital: a cross-sectional study in sub-Saharan Africa
    Bâ Hamadou, Sylvie Ndongo Amougou, Yolande Tchuendem, Chris Nadège Nganou-Gnindjio, Liliane Mfeukeu-Kuate, Audrey Joyce Foka, Aurel T. Tankeu, Ahmadou Musa Jingi, Alain Patrick Menanga, Samuel Kingue
    Blood Pressure Monitoring.2020; 25(4): 212.     CrossRef
  • Frequency of masked hypertension and its relation to target organ damage in the heart
    Abdulsalam Mahmoud Algamal
    The Egyptian Heart Journal.2016; 68(1): 53.     CrossRef
  • Relationship between epistaxis and hypertension: A cause and effect or coincidence?
    Nabil Abdulghany Sarhan, Abdulsalam Mahmoud Algamal
    Journal of the Saudi Heart Association.2015; 27(2): 79.     CrossRef
  • Blood pressure variability over 24 h: prognostic implications and treatment perspectives. An assessment using the smoothness index with telmisartan–amlodipine monotherapy and combination
    Gianfranco Parati, Helmut Schumacher
    Hypertension Research.2014; 37(3): 187.     CrossRef

JPMPH : Journal of Preventive Medicine and Public Health