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2 "Hae-Sung Nam"
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Original Articles
Effect Modification of Kidney Function on the Non-linear Association Between Serum Calcium Levels and Cardiovascular Mortality in Korean Adults
Jung-Ho Yang, Sun-Seog Kweon, Young-Hoon Lee, Seong-Woo Choi, So-Yeon Ryu, Hae-Sung Nam, Hye-Yeon Kim, Min-Ho Shin
J Prev Med Public Health. 2023;56(3):282-290.   Published online May 31, 2023
DOI: https://doi.org/10.3961/jpmph.23.068
  • 1,883 View
  • 99 Download
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
This study aimed to evaluate the potential interaction between kidney function and the non-linear association between serum calcium levels and cardiovascular disease (CVD) mortality.
Methods
This study included 8927 participants enrolled in the Dong-gu Study. Albumin-corrected calcium levels were used and categorized into 6 percentile categories: <2.5th, 2.5-25.0th, 25.0-50.0th, 50.0-75.0th, 75.0-97.5th, and >97.5th. Restricted cubic spline analysis was used to examine the non-linear association between calcium levels and CVD mortality. Cox proportional hazard regression was used to estimate hazard ratios (HRs) for CVD mortality according to serum calcium categories. All survival analyses were stratified by the estimated glomerular filtration rate.
Results
Over a follow-up period of 11.9±2.8 years, 1757 participants died, of whom 219 died from CVD. A U-shaped association between serum calcium and CVD mortality was found, and the association was more evident in the low kidney function group. Compared to the 25.0-50.0th percentile group for serum calcium levels, both low and high serum calcium tended to be associated with CVD mortality (<2.5th: HR, 6.23; 95% confidence interval [CI], 1.16 to 33.56; >97.5th: HR, 2.56; 95% CI, 0.76 to 8.66) in the low kidney function group. In the normal kidney function group, a similar association was found between serum calcium levels and CVD mortality (<2.5th: HR, 1.37; 95% CI, 0.58 to 3.27; >97.5th: HR, 1.65; 95% CI, 0.70 to 3.93).
Conclusions
We found a non-linear association between serum calcium levels and CVD mortality, suggesting that calcium dyshomeostasis may contribute to CVD mortality, and kidney function may modify the association.
Summary
Korean summary
- 혈중 칼슘 농도와 심혈관 질환에 의한 사망은 U자형의 비선형 연관성을 보였다. - 혈중 칼슘 농도와 심혈관 질환에 의한 사망의 비선형 연관성은 신기능이 정상인 그룹보다 신기능이 낮은 그룹에서 더 유의하게 나타났다.
Factors Related to Regional Variation in the High-risk Drinking Rate in Korea: Using Quantile Regression
Eun Su Kim, Hae-Sung Nam
J Prev Med Public Health. 2021;54(2):145-152.   Published online March 16, 2021
DOI: https://doi.org/10.3961/jpmph.20.507
  • 3,979 View
  • 127 Download
  • 3 Web of Science
  • 3 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
This study aimed to identify regional differences in the high-risk drinking rate among yearly alcohol users in Korea and to identify relevant regional factors for each quintile using quantile regression.
Methods
Data from 227 counties surveyed by the 2017 Korean Community Health Survey (KCHS) were analyzed. The analysis dataset included secondary data extracted from the Korean Statistical Information Service and data from the KCHS. To identify regional factors related to the high-risk drinking rate among yearly alcohol users, quantile regression was conducted by dividing the data into 10%, 30%, 50%, 70%, and 90% quantiles, and multiple linear regression was also performed.
Results
The current smoking rate, perceived stress rate, crude divorce rate, and financial independence rate, as well as one’s social network, were related to the high-risk drinking rate among yearly alcohol users. The quantile regression revealed that the perceived stress rate was related to all quantiles except for the 90% quantile, and the financial independence rate was related to the 50% to 90% quantiles. The crude divorce rate was related to the high-risk drinking rate among yearly alcohol users in all quantiles.
Conclusions
The findings of this study suggest that local health programs for high-risk drinking are needed in areas with high local stress and high crude divorce rates.
Summary
Korean summary
본 연구는 quantile regression을 이용하여 high risk drinking 의 지역간 변이 요인을 파악하였습니다. 연구결과, high risk drinking rate 의 지역간 변이가 크고, quanile별로 관련요인을 다르다는 것을 파악하였습니다. 본 연구의 결과는 높은 지역의 스트레스와 조이혼율의 관리와 함께 지역 고위험음주율의 건강프로그램이 필요하다는 것을 암시한다.

Citations

Citations to this article as recorded by  
  • Prevalence and Related Factors of Depression Before and During the COVID-19 Pandemic: Findings From the Korea National Health and Nutrition Examination Survey
    Eung-Joon Lee, Seung Jae Kim
    Journal of Korean Medical Science.2023;[Epub]     CrossRef
  • Data resource profile: the Korean Community Health Status Indicators (K-CHSI) database
    Hye-Eun Lee, Yeon-gyeong Kim, Jin-Young Jeong, Dong-Hyun Kim
    Epidemiology and Health.2023; 45: e2023016.     CrossRef
  • Prevalence, awareness, and treatment of depression among community-dwelling stroke survivors in Korea
    Eung-Joon Lee, Oh Deog Kwon, Seung Jae Kim
    Scientific Reports.2022;[Epub]     CrossRef

JPMPH : Journal of Preventive Medicine and Public Health
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