Data profile
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Data resource profile: the Korean Community Health Status Indicators (K-CHSI) database
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Hye-Eun Lee, Yeon-gyeong Kim, Jin-Young Jeong, Dong-Hyun Kim
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Epidemiol Health. 2022;e2023016. Published online February 2, 2023
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DOI: https://doi.org/10.4178/epih.e2023016
[Accepted]
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Abstract
Korean Community Health Status Indicators (K-CHSI) is a model-based database containing annual data on health outcomes and determinants at the municipal level (si/gun/gu-level regions, including mid-sized cities, counties, and districts). K-CHSI’s health outcomes include overall mortality, disease incidence, and prevalence rates. Self-reported health and health determinants were measured in 5 domains: socio-demographic factors, health behaviors, social environment, physical environment, and the healthcare system. The data sources are 71 public databases, including Causes of Death Statistics, Cancer Registration Statistics, Community Health Survey, Population Census, and Census on Establishments and Statistics of Urban Plans. This dataset covers South Korea’s 17 metropolitan cities and provinces, with data from approximately 250 municipal regions (si/gun/gu). The current version of the database (DB version 1.3) was built using 12 years of data from 2008 to 2019. All data included in K-CHSI may be downloaded via the Korea Community Health Survey site, with no login requirement (https://chs.kdca.go.kr/chs/recsRoom/dataBaseMain.do). K-CHSI covers extensive health outcomes and health determinants at the municipal level over a period of more than 10 years, which enables ecological and time-series analyses of the relationships among various health outcomes and related factors.
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Summary
Korean summary
Key Message
COVID-19: Original Article
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Seroprevalence of SARS-CoV-2 antibodies during the third wave of COVID-19 in the Seoul metropolitan area of Korea
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Kyuhyun Yoon, Jayeun Kim, Kyong Ran Peck, Hyun Soo Kim, Hyukmin Lee, Yoo-Sung Hwang, Soon Young Lee, Sung-il Cho, Hun Jae Lee, Yeong-gyeong Kim, Byoungguk Kim, June-Woo Lee, Ah-Ra Kim, Hyeon Nam Do, Dong-Hyun Kim
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Epidemiol Health. 2022;44:e2022085. Published online September 30, 2022
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DOI: https://doi.org/10.4178/epih.e2022085
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Abstract
OBJECTIVES
After the third wave of coronavirus disease 2019 (COVID-19), by mid-February 2021, approximately 0.16% of the Korean population was confirmed positive, which appeared to be among the lowest rates worldwide at that time. However, asymptomatic transmission is challenging for COVID-19 surveillance. Therefore, a community-based serosurvey of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was conducted to understand the effectiveness of Korea’s strong containment strategy.
METHODS
We collected 5,002 residual sera samples from January 30 to March 3, 2021, from 265 medical facilities in Seoul, 346 in Gyeonggi Province, and 57 in Incheon. Sixty samples from tertiary institutions were excluded. We defined the sub-regions according to the addresses of the medical facilities where the specimens were collected. Elecsys Anti-SARS-CoV-2 was used for screening, and positivity was confirmed using the SARS-CoV-2 sVNT Kit. Prevalence was estimated using sampling weights and the Wilson score interval for a binomial proportion with a 95% confidence interval.
RESULTS
Among the 4,942 specimens, 32 and 25 tested positive for COVID-19 in the screening and confirmatory tests, respectively. The overall crude prevalence of SARS-CoV-2 antibodies was 0.51%. The population-adjusted overall prevalence was 0.55% in women and 0.38% in men. The region-specific estimation was 0.67% and 0.30% in Gyeonggi Province and Seoul, respectively. No positive cases were detected in Incheon.
CONCLUSIONS
The proportion of undetected cases in Korea remained low as of early 2021. Therefore, an infection control strategy with exhaustive tracing and widespread pre-emptive testing appears to be effective in containing community spread of COVID-19.
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Summary
Korean summary
코로나19바이러스 감염병(COVID-19)의 한국 내 3차 대유행기인 2020년 말 이후, 2021년 1월 우리나라 인구의 약 0.16%가 누적 확진되었으며, 이는 세계에서 매우 낮은 비율을 보이는 국가 중 하나였습니다. 그러나 COVID-19의 무증상 전파는 감염 확산방지와 감시체계에 문제점들을 초래할 수 있어 지역사회 기반 혈청 조사를 통해 그 현황을 파악했습니다.
2021년 1월 30일부터 3월 3일까지 서울, 경기, 인천 등 수도권 소재 1, 2차 의료기관에서 수집된 혈액검체의 잔여혈청표본 4942개에 대해 Roche사의 Elecsys Anti-SARS-CoV-2를 이용한 1차 항체검사와, GenScript의 SARS-CoV-2 sVNT Kit를 이용하여 2차 중화항체유무를 확인하였다.
4942명의 검체 중 1차 검사와 2차 중화항체검사에서 각각 32명과 25명이 항체 양성이었다. SARS-CoV-2 항체의 전체 수도권 조유병률은 0.51%였습니다. 인구의 연령보정 전체 유병률은 0.47%였으며, 성별로는 여성에서 0.55%, 남성에서 0.38%였습니다. 지역별 추정치는 경기도와 서울이 각각 0.67%와 0.30%였고, 인천에서는 양성사례가 발견되지 않았습니다.
한국의 미발견 사례 비율은 누적 확진율의 3배에 달하지만, 여전히 1% 미만으로 낮습니다. 철저한 추적과 광범위한 선제적 검사를 통한 감염 관리 전략이 지역사회에서 바이러스 확산을 억제하는 데 효과적이었던 것으로 보입니다.
Key Message
Around February 2021, the SARS-CoV-2 antibody test was conducted on the residual serum of adults (≥19 years) collected from primary and secondary medical institutions in the metropolitan area in South Korea. The estimated overall prevalence was 0.60% in the electrochemiluminescence immunoassay (ECLIA) detecting IgG against the nucleocapsid protein and 0.47% for the neutralization antibody. The positivity of the confirmed test using surrogate neutralizing antibodies was only 78% of the ECLIA’s results. For prevention and control measures against the spread of SARS-CoV-2 infections and new variants emerge, serosurvey targeting community-dwelling people is needed to understand the changing status in the community.
COVID-19: Original Article
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Seroprevalence of SARS-CoV-2 antibodies in the community based on participants in the 2020 Korea National Health and Nutrition Examination Survey
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Ah-Ra Kim
, Dohsik Minn
, Su Hwan Kim
, Hyeon Nam Do
, Byoungguk Kim
, Young Sill Choi
, Dong-Hyun Kim
, Eun-Jee Oh
, Kyungwon Oh
, Donghyok Kwon
, Jun-Wook Kwon
, Sung Soon Kim
, June-Woo Lee
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Epidemiol Health. 2022;44:e2022028. Published online February 21, 2022
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DOI: https://doi.org/10.4178/epih.e2022028
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4,761
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Abstract
OBJECTIVES
The Korea National Health and Nutrition Examination Survey (KNHANES) is a nationwide cross-sectional surveillance system that assesses the health and nutritional status of the Korean population. To evaluate the occurrence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in the community, we investigated the prevalence of anti-SARS-CoV-2 antibodies in the sera of KNHANES participants.
METHODS
Subjects were recruited between April 24 and December 12, 2020. In total, 5,284 subjects aged 10-90 years from 17 regions participated. SARS-CoV-2 antibodies were screened using the Elecsys Anti-SARS-CoV-2 assay. Positive samples were verified using 4 different SARS-CoV-2 antibody assays and the plaque reduction neutralizing test. The final seropositivity criteria were a positive screening test and at least 1 positive result from the 5 additional tests.
RESULTS
Almost half (49.2%; 2,600/5,284) of participants were from metropolitan areas, 48.9% were middle-aged (40-69 years), and 20.5% were in their 20s or younger. The seropositivity rate was 0.09% (5/5,284). Three of the 5 antibody-positive subjects had a history of infection, of whom 2 were infected abroad and 1 was infected in a local cluster outbreak.
CONCLUSIONS
The low SARS-CoV-2 antibody seroprevalence in Korea indicates that there have been few coronavirus disease 2019 (COVID-19) cases due to successful COVID-19 management measures (e.g., diagnostic tests for overseas arrivals, national social distancing, and strict quarantine measures). Moreover, asymptomatic infections were uncommon due to active polymerase chain reaction testing. However, hidden infections may exist in the community, requiring the continuation of quarantine and vaccination measures.
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Summary
Korean summary
코로나19에 대한 방역대책 및 예방접종 정책 수립을 위한 과학적 근거를 확보하기 위하여 2020년도 국민건강영양조사(이하 국건영) 참여자 5,284명에 대해 코로나19 항체보유율을 조사함. 그 결과 2020년도 국건영 참여자의 항체양성률은 0.09%(5/5,284)였으며, 이중 확진 이력이 있는 사람은 3명이었음. 따라서 지역사회 미진단 감염자는 2명으로 확인됨. 국내 항체보유율은 해외 사례에 비해 낮으며, 이는 적극적인 방역관리에 따른 것으로 사료되며, 지역사회에 미진단 감염자가 존재함이 확인되어 이들에 대한 철저한 관리가 요구됨.
Key Message
The low SARS-CoV-2 antibody seroprevalence in Korea indicates that there have been few COVID-19 cases due to successful management measures, however, hidden infections may exist in the community, requiring the continuation of quarantine and vaccination measures.
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- Accelerated Cognitive Function Decline in Community-Dwelling Older Adults during COVID-19 Pandemic: The Korean Frailty and Aging Cohort Study (KFACS)
Jaehoon Jung, Sunyoung Kim, Byungsung Kim, Miji Kim, Jisoo Yang, Dongmin Chung, Changwon Won
International Journal of Environmental Research and Public Health.2022; 19(17): 10666. CrossRef
Original Articles
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Differences in accuracy of height, weight, and body mass index between self-reported and measured using the 2018 Korea Community Health Survey data
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Yoonsil Ko
, Sunhye Choi
, Jisoo Won
, Yeon-Kyeng Lee
, Dong-Hyun Kim
, Seon Kui Lee
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Epidemiol Health. 2022;44:e2022024. Published online February 19, 2022
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DOI: https://doi.org/10.4178/epih.e2022024
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Supplementary Material
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Abstract
OBJECTIVES
This study aimed to determine an effective survey method for the accurate calculation of obesity prevalence by comparing the self-reported and measured height, weight, and body mass index (BMI) using the 2018 Korea Community Healthy Survey (CHS) data.
METHODS
Raw data from the 2018 CHS were used to analyze the differences, correlation, and agreement between self-reported and measured height, weight, and BMI.
RESULTS
The self-reported height was over-reported than the measured height (0.59 cm greater for men and 0.71 cm greater for women), while the self-reported weight was under-reported than the measured weight (0.55 kg less for men and 0.67 kg less for women). Subsequently, the self-reported BMI was under-estimated (0.35 kg/m2 lower for men and 0.49 kg/m2 lower for women) compared with the measured BMI. The kappa statistic and agreement between measured and self-reported values per BMI category (underweight, normal, overweight, and obesity) were 0.82 and 79.6%, respectively.
CONCLUSIONS
The prevalence of obesity should be calculated using the measured values provided in the CHS in order to promote local health projects based on accurate evidence.
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Summary
Korean summary
본 연구는 2018년 지역사회건강조사 원시자료를 이용하여, 자가보고된 신장, 체중, 그리고 체질량지수 값과 실제 측정한 값 간에 차이를 분석하고 상관성과 일치도를 확인하고자 하였으며, 확인결과 자가보고값 체질량지수는 측정값보다 과소측정(남자의 경우 측정값보다 자가보고값이 0.35kg/m2 낮게, 여자는 0.49kg/m2 낮게 측정)된것을 확인하였다.
Key Message
This study aimed to determine an effective survey method for the accurate calculation of obesity prevalence by comparing the self-reported and measured height, weight, and body mass index (BMI) using the 2018 Community Healthy Survey (CHS) data.
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Community mental health status six months after the Sewol ferry disaster in Ansan, Korea
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Hee Jung Yang
, Hae Kwan Cheong
, Bo Youl Choi
, Min-Ho Shin
, Hyeon Woo Yim
, Dong-Hyun Kim
, Gawon Kim
, Soon Young Lee
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Epidemiol Health. 2015;37:e2015046. Published online October 23, 2015
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DOI: https://doi.org/10.4178/epih/e2015046
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14,616
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Supplementary Material
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Abstract
OBJECTIVES
The disaster of the Sewol ferry that sank at sea off Korea’s southern coast of the Yellow Sea on April 16, 2014 was a tragedy that brought grief and despair to the whole country. The aim of this study was to evaluate the mental health effects of this disaster on the community of Ansan, where most victims and survivors resided.
METHODS
The self-administered questionnaire survey was conducted 4 to 6 months after the accident using the Korean Community Health Survey system, an annual nationwide cross-sectional survey. Subjects were 7,076 adults (≥19 years) living in two victimized communities in Ansan, four control communities from Gyeonggi-do, Jindo and Haenam near the accident site. Depression, stress, somatic symptoms, anxiety, and suicidal ideation were measured using the Center for Epidemiologic Studies-Depression Scale, Brief Encounter Psychosocial Instrument, Patient Health Questionnaire-15, and Generalized Anxiety Disorder 7-Item Scale, respectively.
RESULTS
The depression rate among the respondents from Ansan was 11.8%, and 18.4% reported suicidal ideation. Prevalence of other psychiatric disturbances was also higher compared with the other areas. A multiple logistic regression analysis revealed significantly higher odds ratios (ORs) in depression (1.66; 95% confidence interval [CI], 1.36 to 2.04), stress (1.37; 95% CI, 1.10 to 1.71), somatic symptoms (1.31; 95% CI, 1.08 to 1.58), anxiety (1.82; 95% CI, 1.39 to 2.39), and suicidal ideation (1.33; 95% CI, 1.13 to 1.56) compared with Gyeonggi-do. In contrast, the accident areas of Jindo and Haenam showed the lowest prevalence and ORs.
CONCLUSIONS
Residents in the victimized area of Ansan had a significantly higher prevalence of psychiatric disturbances than in the control communities.
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Summary
Korean summary
본 연구는 2014년 4월 16일 발생한 세월호 침몰 사고가 지역사회의 정신건강 수준에 미친 영향을 평가하기 위해 실시하였다. 2014년 지역사회건강조사를 활용, 사고 후 6개월 시점에 조사를 시행하였다. 대부분의 희생자가 발생한 안산시 대상자의 11.8%가 우울군으로 분류되었으며, 18.4%가 자살생각을 호소하였고, 그 밖의 유병률도 대조 지역에 비해 높았다.
Key Message
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Hamid Safarpour, Sanaz Sohrabizadeh, Leila Malekyan, Meysam Safi-Keykaleh, Davoud Pirani, Salman Daliri, Jafar Bazyar
Archives of Suicide Research.2022; 26(1): 14. CrossRef - Disaster Resilience Differs between Survivors and Victims’ Families: A Semantic Network Analysis
Jae-Eun Lee, Seol-A Kwon, Eugene Song, Sang Il Ryu
Social Sciences.2022; 11(3): 117. CrossRef - Development of a Mental Health Application: A Formative Evaluation
Moon-Heum Cho, Yunjeong Chang, Dong Hun Lee, Yejin Kim
SAGE Open.2022; 12(4): 215824402211403. CrossRef - Changes in the Levels of Stress Perception, Experiencing Depressive Symptoms and Health-Related Quality of Life of Residents after the 2016 Gyeongju Earthquake
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International Journal of Environmental Research and Public Health.2021; 18(2): 540. CrossRef - Psychological outcomes for young adults after disastrous events: A mixed-methods scoping review
Katelyn O'Donohue, Emily Berger, Louise McLean, Matthew Carroll
Social Science & Medicine.2021; 276: 113851. CrossRef - Exploring the factors associated with indirect trauma caused by a human-made disaster on the general population: A community study five years after the Sewol ferry incident
Jongha Lee, Seung-Hoon Lee, Cheolmin Shin, Ho-Kyoung Yoon, Ha Eun Park, Eun Bee Cho, Hae Sun Jung, Young-Hoon Ko
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Hyejin Park, Kisok Kim
Healthcare.2021; 9(10): 1386. CrossRef - Life Experience of Bereaved Parents After the 2014 Sewol Ferry Disaster in South Korea
Dong Hun Lee, Minsoo Khang, Jiyoung Shin, Hwa Jung Lee, Jacqueline A. Brown
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Ju-Yeon Lee, Sung-Wan Kim, Jae-Min Kim
Chonnam Medical Journal.2020; 56(2): 99. CrossRef - Machine Learning-Based Data Mining Method for Sentiment Analysis of the Sewol Ferry Disaster's Effect on Social Stress
Min-Joon Lee, Tae-Ro Lee, Seo-Joon Lee, Jin-Soo Jang, Eung Ju Kim
Frontiers in Psychiatry.2020;[Epub] CrossRef - Development of Korean Disaster Mental Health Support Guidelines: Results of a Scoping Review and a Delphi Survey
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Chi Ting Yang, Paul S. F. Yip, Eun Shil Cha, Yi Zhang, Ghobad Moradi
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Eun Ji Kim, Hee Sun Nam, Hak Beom Kim, Unsun Chung, So Hee Lee, Jeong-Ho Chae
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The Relationship between Height and Cognitive Function among Community-dwelling Elderly: Hallym Aging Study
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Shan Ai Quan, Jin-Young Jeong, Dong-Hyun Kim
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Epidemiol Health. 2013;35:e2013002. Published online April 30, 2013
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DOI: https://doi.org/10.4178/epih/e2013002
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13,522
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Abstract
OBJECTIVESHeight is known as an index that reflects the environment of the fetal, childhood, and adolescent periods, which affect adult health. This study was conducted to elucidate whether height is associated with cognitive impairment in community-dwelling elders in Korea.
METHODSThe study subjects were recruited among community dwelling elderly individuals aged 65 or over who participated in the 2004 Hallym Aging Study. They were invited to a general hospital and were evaluated for socioeconomic status, smoking history, and various clinical measures. Cognitive function measurement was performed using the Korean-Mini Mental State Examination. Logistic regression was used to evaluate the association between height and cognitive function.
RESULTSAfter adjusting for potential covariates such as age and education, the smallest group was associated with higher risk of cognitive impairment compared with the tallest group among elderly men (odds ratio [OR], 4.20; 95% confidence interval [CI], 1.02-17.36), but not among elderly women (OR,1.65; 95% CI, 0.62-4.40).
CONCLUSIONSThe reason for this difference according to sex may be explained by the differential effects of education on cognitive function by sex. A larger population-based prospective cohort study is needed to examine the association between height and cognitive function according to sex.
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Korean summary
Key Message
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Citations
Citations to this article as recorded by

- Taller adult height is associated with better performance of cognitive trajectories in Chinese over 45 years old: Evidence from the China Health and Retirement Longitudinal Study
Lan Luo, Fangfei Xie, Yun Wang, Li‐Qiang Qin, Jie‐Yun Yin, Zhongxiao Wan
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Dongwang Qi, Chanhong Shi, Rongyan Mao, Xuewei Yang, Jinhui Song, Yanjia Wang, Jun Tu, Jinghua Wang, Xianjia Ning, Yi Wu
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Vitor H. Pereira, Patrício S. Costa, Nadine C. Santos, Pedro G. Cunha, Margarida Correia-Neves, Joana A. Palha, Nuno Sousa
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Irit Cohen-Manheim, Glen M. Doniger, Ronit Sinnreich, Ely S. Simon, Havi Murad, Ronit Pinchas-Mizrachi, Jeremy D. Kark
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The Relationship between Smoking, Socioeconomic Status and Grip Strength among Community-dwelling Elderly Men in Korea: Hallym Aging Study
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ShanAi Quan, Jin-Young Jeong, Dong-Hyun Kim
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Epidemiol Health. 2013;35:e2013001. Published online February 18, 2013
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DOI: https://doi.org/10.4178/epih/e2013001
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16,370
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Abstract
OBJECTIVESLow grip strength is associated with decline in bone mineral density (BMD) and increased risk of spine fracture among the elderly. Smoking, a major factor determining BMD, is also known to have an indirect effect on bone loss. This study investigated whether smoking is associated with grip strength in the community-dwelling elderly in Korea.
METHODSThis study was an outcome of the second of three waves of the Hallym Aging Study from January to May 2007, a population-based study of Koreans aged 45 years and upwards dwelling in Chuncheon. Its 218 subjects comprised men aged 65 years or over. They were evaluated at a general hospital for socioeconomic status, smoking history, and various clinical measures including grip strength.
RESULTSGrip strength was higher in non-, ex-, and current smokers (33.7 kg, 30.6 kg, and 29.3 kg, respectively). Current smoking was found to increase the risk of decreased grip strength (adjusted odds ratio [aOR], 4.58; 95% confidence interval [CI],1.31 to 16.04) compared with non-smoking, after adjustment for potential covariates including socioeconomic status. After adjustment for smoking effect, education of fewer than six years and monthly income of fewer than 500,000 Korean won increased the risk of decreased grip strength compared with education of more than six years (aOR, 2.88; 95% CI, 1.08 to 7.66) and monthly income of more than 1,500,000 Korean won (aOR, 2.86; 95% CI, 1.08 to 7.54).
CONCLUSIONSThese results showed that current smoking, low education and low income were independent risk factors for decreased grip strength among elderly men in Korea.
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