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The Effect of Cognitive Impairment on the Association Between Social Network Properties and Mortality Among Older Korean Adults
Eunji Kim, Kiho Sung, Chang Oh Kim, Yoosik Youm, Hyeon Chang Kim
J Prev Med Public Health. 2023;56(1):31-40.   Published online November 22, 2022
DOI: https://doi.org/10.3961/jpmph.22.350
  • 4,210 View
  • 149 Download
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
This study investigated the effect of cognitive impairment on the association between social network properties and mortality among older Korean adults.
Methods
This study used data from the Korean Social Life, Health, and Aging Project. It obtained 814 older adults’ complete network maps across an entire village in 2011-2012. Participants’ deaths until December 31, 2020 were confirmed by cause-of-death statistics. A Cox proportional hazards model was used to assess the risks of poor social network properties (low degree centrality, perceived loneliness, social non-participation, group-level segregation, and lack of support) on mortality according to cognitive impairment.
Results
In total, 675 participants (5510.4 person-years) were analyzed, excluding those with missing data and those whose deaths could not be verified. Along with cognitive impairment, all social network properties except loneliness were independently associated with mortality. When stratified by cognitive function, some variables indicating poor social relations had higher risks among older adults with cognitive impairment, with adjusted hazard ratios (HRs) of 2.12 (95% confidence interval [CI], 1.34 to 3.35) for social nonparticipation, 1.58 (95% CI, 0.94 to 2.65) for group-level segregation, and 3.44 (95% CI, 1.55 to 7.60) for lack of support. On the contrary, these effects were not observed among those with normal cognition, with adjusted HRs of 0.73 (95% CI, 0.31 to 1.71), 0.96 (95% CI, 0.42 to 2.21), and 0.95 (95% CI, 0.23 to 3.96), respectively.
Conclusions
The effect of social network properties was more critical among the elderly with cognitive impairment. Older adults with poor cognitive function are particularly encouraged to participate in social activities to reduce the risk of mortality.
Summary
Korean summary
고령인구에서의 불충분한 사회연결망 특성은 높은 사망 위험과 연관이 있었으며, 이는 인지기능이 저하된 그룹에서 그렇지 않은 군에 비해 더 높게 관찰되었다. 특히, 인지기능이 저하된 노인에서 사회활동들에 참여하지 않는 것, 한정된 소집단에만 속하는 것, 주변으로부터 도움을 받지 못하는 것은 높은 사망 위험과 연관이 있기 때문에, 이들의 사회연결망을 강화하는 것이 사망 위험을 낮추는 데 도움이 될 수 있다.
Gender Differences in Hypertension Control Among Older Korean Adults: Korean Social Life, Health, and Aging Project
Sang Hui Chu, Ji Won Baek, Eun Sook Kim, Katherine M. Stefani, Won Joon Lee, Yeong-Ran Park, Yoosik Youm, Hyeon Chang Kim
J Prev Med Public Health. 2015;48(1):38-47.   Published online January 14, 2015
DOI: https://doi.org/10.3961/jpmph.14.043
  • 10,929 View
  • 135 Download
  • 3 Crossref
AbstractAbstract PDF
Objectives
Controlling blood pressure is a key step in reducing cardiovascular mortality in older adults. Gender differences in patients’ attitudes after disease diagnosis and their management of the disease have been identified. However, it is unclear whether gender differences exist in hypertension management among older adults. We hypothesized that gender differences would exist among factors associated with hypertension diagnosis and control among community-dwelling, older adults.
Methods
This cross-sectional study analyzed data from 653 Koreans aged ≥60 years who participated in the Korean Social Life, Health, and Aging Project. Multiple logistic regression was used to compare several variables between undiagnosed and diagnosed hypertension, and between uncontrolled and controlled hypertension.
Results
Diabetes was more prevalent in men and women who had uncontrolled hypertension than those with controlled hypertension or undiagnosed hypertension. High body mass index was significantly associated with uncontrolled hypertension only in men. Multiple logistic regression analysis indicated that in women, awareness of one’s blood pressure level (odds ratio [OR], 2.86; p=0.003) and the number of blood pressure checkups over the previous year (OR, 1.06; p=0.011) might influence the likelihood of being diagnosed with hypertension. More highly educated women were more likely to have controlled hypertension than non-educated women (OR, 5.23; p=0.013).
Conclusions
This study suggests that gender differences exist among factors associated with hypertension diagnosis and control in the study population of community-dwelling, older adults. Education-based health promotion strategies for hypertension control might be more effective in elderly women than in elderly men. Gender-specific approaches may be required to effectively control hypertension among older adults.
Summary

Citations

Citations to this article as recorded by  
  • Predictive Performance of Pender’s Health Promotion Model for Hypertension Control in Iranian Patients


    Fatemeh Gorbani, Hassan Mahmoodi, Parvin Sarbakhsh, Abdolreza Shaghaghi
    Vascular Health and Risk Management.2020; Volume 16: 299.     CrossRef
  • CHANGES OF LIFE QUALITY SCORE DEPENDING ON THE ARTERIAL HYPERTENSION DEGREE IN THE GENDER ASPECT
    O.A. Alifer
    Medical Science of Ukraine (MSU).2020; 16(2): 16.     CrossRef
  • Pathogenetic features of the combined course of arterial hypertension and diabetes mellitus 2 type
    O.M. Bilovol, L.R. Bobronnikova, O.V. Al-Trawneh
    Shidnoevropejskij zurnal vnutrisnoi ta simejnoi medicini.2017; 2017(1): 4.     CrossRef
Social Network Characteristics and Body Mass Index in an Elderly Korean Population
Won Joon Lee, Yoosik Youm, Yumie Rhee, Yeong-Ran Park, Sang Hui Chu, Hyeon Chang Kim
J Prev Med Public Health. 2013;46(6):336-345.   Published online November 28, 2013
DOI: https://doi.org/10.3961/jpmph.2013.46.6.336
  • 10,293 View
  • 103 Download
  • 17 Crossref
AbstractAbstract PDF
Objectives

Research has shown that obesity appears to spread through social ties. However, the association between other characteristics of social networks and obesity is unclear. This study aimed to identify the association between social network characteristics and body mass index (BMI, kg/m2) in an elderly Korean population.

Methods

This cross-sectional study analyzed data from 657 Koreans (273 men, 384 women) aged 60 years or older who participated in the Korean Social Life, Health, and Aging Project. Network size is a count of the number of friends. Density of communication network is the number of connections in the social network reported as a fraction of the total links possible in the personal (ego-centric) network. Average frequency of communication (or meeting) measures how often network members communicate (or meet) each other. The association of each social network measure with BMI was investigated by multiple linear regression analysis.

Results

After adjusting for potential confounders, the men with lower density (<0.71) and higher network size (4-6) had the higher BMI (β=1.089, p=0.037) compared to the men with higher density (>0.83) and lower size (1-2), but not in the women (p=0.393). The lowest tertile of communication frequency was associated with higher BMI in the women (β=0.885, p=0.049), but not in the men (p=0.140).

Conclusions

Our study suggests that social network structure (network size and density) and activation (communication frequency and meeting frequency) are associated with obesity among the elderly. There may also be gender differences in this association.

Summary

Citations

Citations to this article as recorded by  
  • A Prospective Sociocentric Study of 2 Entire Traditional Korean Villages: The Korean Social Life, Health, and Aging Project (KSHAP)
    Jiwon Baek, Ekaterina Baldina, Kiho Sung, Sung-Ha Lee, Nicholas A Christakis, Peter Bearman, Hyeon Chang Kim, Sang Hui Chu, Eun Lee, Yeong-Ran Park, Jeanyung Chey, Youn-Hee Choi, Dohoon Lee, Yoosik Youm
    American Journal of Epidemiology.2023;[Epub]     CrossRef
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    Alyssa W Goldman
    Social Problems.2022; 69(2): 562.     CrossRef
  • 20-55 Yaş Arası Kadınların Beden Algılarının Değerlendirilmesi
    Can ERGÜN, Bilge MERAL KOC, Selin KALEOĞLU
    İstanbul Gelişim Üniversitesi Sağlık Bilimleri Dergisi.2022; (18): 892.     CrossRef
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    Zeinab Hosseini, Gerry Veenstra, Nadia A. Khan, Annalijn I. Conklin
    Journal of Hypertension.2021; 39(4): 651.     CrossRef
  • Adiposity and the role of diverse social supports: an observational, gender-sensitive study using the baseline Canadian Longitudinal Study on Aging
    Zeinab Hosseini, Abdollah Safari, Nadia A Khan, Gerry Veenstra, Annalijn I Conklin
    Public Health Nutrition.2021; 24(18): 6103.     CrossRef
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    Zeinab Hosseini, Gerry Veenstra, Nadia A. Khan, Annalijn I. Conklin, Liang Wang
    PLOS ONE.2020; 15(7): e0235977.     CrossRef
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    Stephanie T Child, Katrina M Walsemann, Andrew T Kaczynski, Nancy L Fleischer, Alexander C McLain, Spencer Moore
    Journal of Public Health.2019; 41(1): 130.     CrossRef
  • Social support, social network and salt-reduction behaviours in children: a substudy of the School-EduSalt trial
    Yuan Ma, Xiangxian Feng, Jun Ma, Feng J He, Haijun Wang, Jing Zhang, Wuxiang Xie, Tao Wu, Yunjian Yin, Jianhui Yuan, Graham A MacGregor, Yangfeng Wu
    BMJ Open.2019; 9(6): e028126.     CrossRef
  • Is the Relationship between Depression and C Reactive Protein Level Moderated by Social Support in Elderly?-Korean Social Life, Health, and Aging Project (KSHAP)
    Nam Wook Hur, Hyeon Chang Kim, Linda Waite, Yoosik Youm
    Psychiatry Investigation.2018; 15(1): 24.     CrossRef
  • Applications of social network analysis to obesity: a systematic review
    S. Zhang, K. de la Haye, M. Ji, R. An
    Obesity Reviews.2018; 19(7): 976.     CrossRef
  • Social Network Analysis and Resilience in University Students: An Approach from Cohesiveness
    Cristina Liébana-Presa, Elena Andina-Díaz, María-Mercedes Reguera-García, Iván Fulgueiras-Carril, David Bermejo-Martínez, Elena Fernández-Martínez
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    André Hajek, Hans-Helmut König
    BMC Geriatrics.2018;[Epub]     CrossRef
  • Factors Associated with Insomnia among the Elderly in a Korean Rural Community
    Woo Jung Kim, Won-tak Joo, Jiwon Baek, Sung Yun Sohn, Kee Namkoong, Yoosik Youm, Hyeon Chang Kim, Yeong-Ran Park, Sang Hui Chu, Eun Lee
    Psychiatry Investigation.2017; 14(4): 400.     CrossRef
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  • The Korean social life, health and aging project-health examination cohort
    Ju-Mi Lee, Won Joon Lee, Hyeon Chang Kim, Wungrak Choi, Jina Lee, Kiho Sung, Sang Hui Chu, Yeong-Ran Park, Yoosik Youm
    Epidemiology and Health.2014; 36: e2014003.     CrossRef
Social Network Effects on Post-Traumatic Stress Disorder (PTSD) in Female North Korean Immigrants
Byungkyu Lee, Yoosik Youm
J Prev Med Public Health. 2011;44(5):191-200.   Published online September 28, 2010
DOI: https://doi.org/10.3961/jpmph.2011.44.5.191
  • 8,777 View
  • 103 Download
  • 9 Crossref
AbstractAbstract PDF
Objectives

The goal of this paper is to examine the social network effects on post-traumatic sdress disorder (PTSD) in female North Korean immigrants who entered South Korea in 2007. Specifically, it attempts to verify if the density and composition of networks make a difference after controlling for the network size.

Methods

A multivariate logistic regression is used to probe the effects of social networks using the North Korean Immigrant Panel data set. Because the data set had only completed its initial survey when this paper was written, the analysis was cross-sectional.

Results

The size of the support networks was systematically related to PTSD. Female North Korean immigrants with more supporting ties were less likely to develop PTSD, even after controlling for other risk factors (odds-ratio for one more tie was 0.8). However, once we control for the size of the network, neither the density nor the composition of the networks remains statistically significant.

Conclusions

The prevalence of the PTSD among female North Korean immigrants is alarmingly high, and regardless of the characteristics of supporting network members, the size of the supporting networks provides substantial protection. This implies that a simple strategy that focuses on increasing the number of supporting ties will be effective among North Korean immigrants who entered South Korea in recent years.

Summary

Citations

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  • Association between social networks and symptoms of post-traumatic stress during the pandemic: Cohort study in South Korea
    Ji Su Yang, Yu Jin Lee, Hyeon Chang Kim, Chul-Hyun Cho, Alexander C. Tsai, Sun Jae Jung
    Comprehensive Psychiatry.2023; 127: 152432.     CrossRef
  • Lonely in the Dark: Trauma Memory and Sex‐Specific Dysregulation of Amygdala Reactivity to Fear Signals
    Mitjan Morr, Jeanine Noell, Daphne Sassin, Jule Daniels, Alexandra Philipsen, Benjamin Becker, Birgit Stoffel‐Wagner, René Hurlemann, Dirk Scheele
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    Mohammad Ahmadpanah, Parasto Sabzeiee, Seyed Mohammad Hosseini, Saadat Torabian, Mohammad Haghighi, Leila Jahangard, Hafez Bajoghli, Edith Holsboer-Trachsler, Serge Brand
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JPMPH : Journal of Preventive Medicine and Public Health