Epidemiology and Health

Original article

Device-related differences in blood pressure measurement and their impact on hypertension prevalence in children and adolescents: Sung Hye Kim, Yu-Mi Kim, Hack-Lyoung Kim, Sang Min Park, In-Jeong Cho, Dae-Hee Kim, Kwang-Il Kim, Jinho Shin, Kyungwon Oh, Eun Mi Lee; Epidemiol Health. 2026;e2026037. Published online July 27, 2026; DOI: https://doi.org/10.4178/epih.e2026037 [Accepted]

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Abstract Summary PDF: Abstract
OBJECTIVES
Accurate blood pressure (BP) measurement is essential for reliably estimating hypertension prevalence in population-based surveys. However, evidence supporting the use of oscillometric BP devices in pediatric populations remains limited. This study compared BP measurements obtained using an oscillometric device (OD) and an auscultatory device (AD) and evaluated inter-device agreement and the impact of device choice on hypertension prevalence estimates.
METHODS
BP was measured sequentially with the AD and OD in 251 children and adolescents participating in the Korea National Health and Nutrition Examination Survey. Inter-device agreement was assessed using mean differences, limits of agreement, concordance correlation coefficients (CCCs), and regression analyses. Differences in prevalence estimates for elevated BP (EBP) and hypertension were also examined.
RESULTS
Mean inter-device differences were minimal for systolic BP (SBP) (0.2 ± 5.9 mmHg) but negative for diastolic BP (DBP) (−1.5 ± 6.1 mmHg), with larger discrepancies in older girls. Agreement was moderate to good for SBP (CCC = 0.79) and weaker for DBP (CCC = 0.60). Nevertheless, more than 85% of paired measurements were within ±10 mmHg. Prevalence estimates for EBP (11.6% vs. 10.0%) and hypertension (4.8% vs. 4.4%) were comparable between devices, with relatively high negative agreement and overall agreement.
CONCLUSIONS
Despite modest underestimation of DBP in specific subgroups, oscillometric BP measurement showed acceptable agreement with the auscultatory method and yielded similar hypertension prevalence estimates. These findings suggest that oscillometric devices may be useful for pediatric BP measurement in public health surveillance systems.; Summary

Korean summary
소아청소년에서 자동혈압계인 Microlife WatchBP Office AFIB는 청진식 혈압계인 Accoson Greenlight 300과 비교하여 수축기혈압에서 비교적 양호한 일치도를 보였으나, 일부 하위집단에서는 이완기혈압의 일치도가 상대적으로 낮았다. 두 기기를 이용한 인구집단 수준의 상승혈압 및 고혈압 유병률 추정치는 전반적으로 유사하였다. 이러한 결과는 Microlife 기기가 국가 단위 건강조사에서 소아청소년 혈압 측정에 유용하게 활용될 가능성을 시사한다.

Key Message
In children and adolescents, the Microlife WatchBP Office AFIB oscillometric device showed acceptable agreement with the Accoson Greenlight 300 auscultatory device for systolic blood pressure, although diastolic blood pressure agreement was more variable in some subgroups. The two devices yielded generally comparable population-level estimates of elevated blood pressure and hypertension. These findings suggest that the Microlife device may be useful for pediatric blood pressure measurement in national health surveys.

Original Article

Relations of Pulse Wave Velocity to Waist Circumference Independent of Hip Circumference: Min Jung Ko, Mi Kyung Kim, Jinho Shin, Bo Youl Choi; Epidemiol Health. 2010;32:e2010004. Published online May 3, 2010; DOI: https://doi.org/10.4178/epih/e2010004

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Abstract PDF

Abstract

<sec><title>OBJECTIVES</title>Little is known about the effect of waist circumference (WC) on brachial artery pulse wave velocity (baPWV) independent of hip circumference (HC). Therefore, this study aimed to dissociate specific effect of WC on baPWV independent of HC.</sec><sec><title>METHODS</title>Of 1,053 rural residents (2004-2005), 777 subjects with no known history of coronary artery diseases or diabetes mellitus over 40 yr were included. To reduce collinearity, we assessed the independent effect of WC with HC on PWV by residual method (WC [RM]).</sec><sec><title>RESULTS</title>In women, most correlation coefficients were significant between measures of abdominal obesity and baPWV, with the highest (0.32) in waist to hip ratio (WHR), whereas no significance was found in men. All mean values of baPWV among the abdominally obese were higher than those of normal group in women, which were in the order of WHR, WC (RM), and WC. Adjusted OR with 95% CI for baPWV was significantly elevated by increase of WC (RM) upto 4.8 (95% CI: 2.1-11.2), and as 4.3 by WHR (95% CI: 1.6-11.4).</sec><sec><title>CONCLUSION</title>Considering the difficulty in biologically interpreting WHR, WC (RM) may be a useful indicator of abdominal obesity among females in that it reflects the risk of pulse wave velocity.</sec>

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Citations

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