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Dong Hyun Kim 15 Articles
The Association of Central Obesity with Type 2 Diabetes among Koreans according to the Serum Gamma-Glutamyltransferase Level: Korean Genome and Epidemiology Study.
Ji Yeon Shin, Jun Hyun Hwang, Jin Young Jeong, Sung Hi Kim, Jai Dong Moon, Sang Chul Roh, Young Wook Kim, Yangho Kim, Jong Han Leem, Young Su Ju, Young Seoub Hong, Eun Hee Ha, Yong Hwan Lee, Duk Hee Lee, Dong Hyun Kim
J Prev Med Public Health. 2009;42(6):386-391.
DOI: https://doi.org/10.3961/jpmph.2009.42.6.386
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  • 3 Crossref
AbstractAbstract PDF
OBJECTIVES
This cross-sectional study was performed to examine if the serum gamma-glutamyltransferase (GGT) level that is within its normal range is associated with the risk of type 2 diabetes and if the association between the waist hip ratio (WHR) and type 2 diabetes is different depending on the serum GGT levels. METHODS: The study subjects were 23,436 persons aged 40 years or older and who participated in regular health check-ups at 11 hospitals (males: 5,821, females: 17,615). The gender-specific quintiles of the serum GGT and WHR were used to examine the associations with type 2 diabetes. RESULTS: The serum GGT levels within their normal range were positively associated with type 2 diabetes only in women. The adjusted odds ratios (ORs) were 1.0, 1.0, 1.4, 2.1, and 2.5 according to the quintiles of the serum GGT (p(trend)<0.01). The WHR was more strongly associated with the prevalence of diabetes among the women with a high-normal serum GGT level as compared with those with a low-normal serum GGT level (p for interaction=0.02). For example, the adjusted ORs for women with a low normal serum GGT level were 1.0, 1.2, 1.5, 2.2, and 2.4 according to the quintiles of the WHR, while those figures were 1.0, 2.4, 3.6, 5.0, and 8.3 among the women with a high normal serum GGT level. However, in men, the serum GGT was very weakly associated with type 2 diabetes and the association between the WHR and type 2 diabetes was not different depending on the serum GGT level. CONCLUSIONS: Serum GGT within its normal range was positively associated with type 2 diabetes, and central obesity was more strongly associated with the prevalence of type 2 diabetes when the serum GGT level was high-normal. However, these associations were observed only in women, which is different from the previous findings. The stronger relation between central obesity and type 2 diabetes among women with a high-normal serum GGT level can be useful for selecting a group that is at high risk for type 2 diabetes irregardless of whatever the underlying mechanism is.
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  • Serum gamma-glutamyl transferase and risk of type 2 diabetes in the general Korean population: a Mendelian randomization study
    Youn Sue Lee, Yoonsu Cho, Stephen Burgess, George Davey Smith, Caroline L. Relton, So-Youn Shin, Min-Jeong Shin
    Human Molecular Genetics.2016; 25(17): 3877.     CrossRef
  • Different associations between obesity and impaired fasting glucose depending on serum gamma-glutamyltransferase levels within normal range: a cross-sectional study
    Nam Soo Hong, Jeong-Gook Kim, Yu-Mi Lee, Hyun-Woo Kim, Sin Kam, Keon-Yeop Kim, Ki-Su Kim, Duk-Hee Lee
    BMC Endocrine Disorders.2014;[Epub]     CrossRef
  • Endobiogeny: A Global Approach to Systems Biology (Part 1 of 2)
    Jean-Claude, Lapraz, Kamyar M. Hedayat
    Global Advances in Health and Medicine.2013; 2(1): 64.     CrossRef
Study on the Health Status of the Residents near Military Airbases in Pyeongtaek City.
Hyunjoo Kim, Sangchul Roh, Ho Jang Kwon, Ki Chung Paik, Moo Yong Rhee, Jae Yun Jeong, Myung Ho Lim, Mi Jin Koo, Chang Hoon Kim, Hae Young Kim, Jeong Hun Lim, Dong Hyun Kim
J Prev Med Public Health. 2008;41(5):307-314.
DOI: https://doi.org/10.3961/jpmph.2008.41.5.307
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OBJECTIVES
We conducted an epidemiologic survey to evaluate the effect of the aircraft noise exposure on the health of the residents near the military airbases in Pyeongtaek City. METHODS: The evaluation of environmental noise level, questionnaire survey, and health examination were performed for 917 residents. The study population consisted of four groups: subjects who lived in the village close to the fighter airbase (high exposure), subjects who lived along the course of fighters (intermediate exposure), and subjects near a helicopter airbase, and the control group. RESULTS: The prevalence of the aircraft noise related accident and irritable bowel syndrome in the exposure groups were higher than that of the control group. The risks of noise induced hearing loss, hypertension and diabetes mellitus were higher in the exposed groups than in the control group. The prevalence of anxiety disorder and primary insomnia were higher in the exposed groups than in the control group. Prevalence odd ratios of the risk for primary insomnia after adjusting age, sex, agricultural noise, and occupation were 4.03 [95% confidence interval (95% CI) 1.56-10.47] for the subject near the helicopter airbase, 1.23 (95% CI 0.40-3.76) for those intermediately exposed to fighter noise, and 4.99 (95% CI 2.14-11.64) for those highly exposed to fighter noise. CONCLUSIONS: The results of the present study suggest that the aircraft noise may have adverse effects on hearing function, cardiovascular health and mental health. Therefore, it seems to be needed to take proper measures including the control of the aircraft noise and the management of the exposed people's health.
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  • Association between noise exposure and diabetes: A systematic review and meta-analysis
    Mohammad Javad Zare Sakhvidi, Fariba Zare Sakhvidi, Amir Houshang Mehrparvar, Maria Foraster, Payam Dadvand
    Environmental Research.2018; 166: 647.     CrossRef
  • The Prevalence of Functional Gastrointestinal Disorders in the Chinese Air Force Population
    Wenming Wu, Xu Guo, Yunsheng Yang, Lihua Peng, Gaoping Mao, Hyder Qurratulain, Weifeng Wang, Gang Sun
    Gastroenterology Research and Practice.2013; 2013: 1.     CrossRef
  • Overview of the Environmental Damage, Property Loss, and Health Impairment of Residents around a US Air Force Firing Range
    Hyun-Sul Lim
    Korean Journal of Environmental Health Sciences.2011; 37(3): 173.     CrossRef
Factors Associated with Gastric Cancer Screening of Koreans Based on a Socio-ecological Model.
Sang Soo Bae, Heui Sug Jo, Dong Hyun Kim, Yong Jun Choi, Hun Jae Lee, Tae Jin Lee, Hye Jean Lee
J Prev Med Public Health. 2008;41(2):100-106.
DOI: https://doi.org/10.3961/jpmph.2008.41.2.100
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AbstractAbstract PDF
OBJECTIVES
We measured behavioral factors associated with Koreans receiving gastric cancer screening based on a socio-ecological model, in part to develop strategies to improve cancer screening rates. METHODS: A telephone survey was conducted with 2,576 people chosen through stratified random sampling from April 1- May 31, 2004. Collected information included gastric cancer screening, socio-demographic factors, and socio-ecological factors at intrapersonal, interpersonal, community, and public policy levels. RESULTS: Among 985 survey respondents (380 men and 605 women), 402 had received gastric cancer screening. Logistic analysis was performed to compare those screened and unscreened. 'Age' was the only demographic factor that showed a statistically significant association with getting screening. People in their fifties (OR=1.731, 95% CI=1.190-2.520) and sixties (OR=2.098, 95% CI=1.301-3.385) showed a higher likelihood of getting screened, compared to those in the forties. 'Accessibility to a medical institution' was a significant factor related to having gastric cancer screening at the intrapersonal level. At the interpersonal level, recommendations by family members to be screened and a family practice of routine cancer screening were significantly related. People with frequent education about cancer screening or with stronger social feelings that cancer screening is necessary also demonstrated significantly higher tendencies to be screened. CONCLUSIONS: In conclusion, a socio-ecological model seems appropriate for explaining gastric cancer screening behavior and associated factors. Health planners should develop integrated strategies to improve cancer screening rates based on socio-ecological factors, especially at the interpersonal and community levels.
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  • Current Status and Associated Factors of Emotional Distress Due to COVID-19 Among People with Physical Disabilities Living in the Community: Secondary Data Analysis using the 2020 National Survey of Disabled Persons
    Bohye Kim, Ju Young Yoon
    Research in Community and Public Health Nursing.2024; 35: 37.     CrossRef
  • Intentions to undergo primary screening with colonoscopy under the National Cancer Screening Program in Korea
    Kyeongmin Lee, Haejoo Seo, Sunho Choe, Seung-Yong Jeong, Ji Won Park, Mina Suh, Aesun Shin, Kui Son Choi, Filipe Prazeres
    PLOS ONE.2021; 16(2): e0247252.     CrossRef
  • Perspectives on Underlying Factors for Unhealthy Diet and Sedentary Lifestyle of Adolescents at a Kenyan Coastal Setting
    Derrick Ssewanyana, Amina Abubakar, Anneloes van Baar, Patrick N. Mwangala, Charles R. Newton
    Frontiers in Public Health.2018;[Epub]     CrossRef
  • Acculturation and Arab immigrant health in Colorado: a socio-ecological perspective
    Dana El Hajj, Paul F. Cook
    Nutrition & Food Science.2018; 48(5): 795.     CrossRef
  • Cervical Cancer: Barriers to Screening in the Somali Community in Minnesota
    Rahel G. Ghebre, Barrett Sewali, Sirad Osman, Amira Adawe, Hai T. Nguyen, Kolawole S. Okuyemi, Anne Joseph
    Journal of Immigrant and Minority Health.2015; 17(3): 722.     CrossRef
  • The Factors Related to the Non-Practice of Cancer Screening in Cancer Survivors: Based on the 2007-2012 Korean National Health and Nutrition Examination Survey
    Song-Ei Yang, Nam-Kyung Han, Sun-Mi Lee, Tae-Hyun Kim, Woojin Chung
    Health Policy and Management.2015; 25(3): 162.     CrossRef
  • Study on the Factors Related With Intention of Cancer Screening Among Korean Residents
    Bong Ki Kim, Heui Sug Jo, Hey Jean Lee
    Asia Pacific Journal of Public Health.2015; 27(2): NP2133.     CrossRef
  • Colorectal Cancer Screening in Korean Workers
    Su Ho Park, Gwang Suk Kim
    Cancer Nursing.2014; 37(4): 278.     CrossRef
  • Socioecological Perspectives on Cervical Cancer and Cervical Cancer Screening Among Asian American Women
    Jongwon Lee, Mauricio Carvallo
    Journal of Community Health.2014; 39(5): 863.     CrossRef
  • Effectiveness of Interventions to Increase Screening for Gastric and Colorectal Cancer in Korea
    Nam Soo Hong, Sin Kam
    Asian Pacific Journal of Cancer Prevention.2014; 15(21): 9147.     CrossRef
  • The Relationship between Socioeconomic Status and Gastric Cancer Screening in the Population of a Metropolitan Area
    Hyun-Suk Oh, Sun A Kim, Sun-Seog Kweon, Jung-Ae Rhee, So-Yeon Ryu, Min-Ho Shin
    Journal of agricultural medicine and community health.2013; 38(3): 174.     CrossRef
  • Factors Affecting Diabetic Screening Behavior of Korean Adults: A Multilevel Analysis
    Hyeongsu Kim, Minjung Lee, Haejoon Kim, Kunsei Lee, Sounghoon Chang, Vitna Kim, Jun Pyo Myong, Soyoun Jeon
    Asian Nursing Research.2013; 7(2): 67.     CrossRef
  • Multilevel Analysis of Health Care Service Utilization among Medical Aid Beneficiaries in Korea
    Yang Heui Ahn, Ok Kyung Ham, Soo Hyun Kim, Chang Gi Park
    Journal of Korean Academy of Nursing.2012; 42(7): 928.     CrossRef
  • Factors Associated with the Use of Gastric Cancer Screening Services in Korea: The Fourth Korea National Health and Nutrition Examination Survey 2008 (KNHANES IV)
    Ji-Yeon Shin, Duk-Hee Lee
    Asian Pacific Journal of Cancer Prevention.2012; 13(8): 3773.     CrossRef
  • Relationships between Knowledge about Early Detection, Cancer Risk Perception and Cancer Screening Tests in the General Public Aged 40 and Over
    Young Hee Yang
    Asian Oncology Nursing.2012; 12(1): 52.     CrossRef
  • Behavioral risk factors and use of preventive screening services among spousal caregivers of cancer patients
    Ki Young Son, Sang Min Park, Chi Hoon Lee, Geum Jeong Choi, DaeGeun Lee, SeoungHee Jo, Se Hoon Lee, BeLong Cho
    Supportive Care in Cancer.2011; 19(7): 919.     CrossRef
  • The Effects of Daughter's Breast Health Education on Mother's Breast Cancer Screening Attitude
    Hee Sun Kang, Myung-Sun Hyun, Mijong Kim
    Journal of Korean Academy of Community Health Nursing.2010; 21(3): 273.     CrossRef
  • Factors associated with use of gastric cancer screening services in Korea
    Young Min Kwon, Hyung Taek Lim, Kiheon Lee, Be Long Cho, Min Sun Park, Ki Young Son, Sang Min Park
    World Journal of Gastroenterology.2009; 15(29): 3653.     CrossRef
Awareness, Treatment, and Control Rates of Hypertension and Related Factors of Awareness among Middle Aged Adult and Elderly in Chuncheon: Hallym Aging Study(HAS).
Jin Young Jeong, Yong Jun Choi, Soong Nang Jang, Kyung soon Hong, Young ho Choi, Moon ki Choi, Dong Hyun Kim
J Prev Med Public Health. 2007;40(4):305-312.
DOI: https://doi.org/10.3961/jpmph.2007.40.4.305
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AbstractAbstract PDF
OBJECTIVES
To estimate the awareness, treatment and control rate, as well as to identify the awareness-related factors for hypertension. METHODS: The study participants were 482 adults (men 206, women 276), aged 45 or over, diagnosed with hypertension and living in Chuncheon. The awareness rate was defined as the proportion of persons among those with hypertension who had previously been diagnosed by a physician. The treatment rate was defined as the proportion of persons who had used anti-hypertensive medication, among those who were aware of their hypertension. The control rate was defined as the proportion of persons who kept blood pressure normal, among those who had been treated for their hypertension. Multivariable logistic regression analysis was carried out for the awarenessrelated factors using SAS VER 8.1. RESULTS: The awareness, treatment, and control rate were 55.8% (53.4% for men; 57.6% for women), 89.6% (87.2% for men; 91.2% for women), and 34.4% (28.1% for men; 38.6% for women), respectively. The awarenessrelated factors included a family history of hypertension (odds ratio[OR], 5.63; 95% confidence interval[95% CI]=1.53-20.72), smoking([Ex; OR 0.38, 95% CI= 0.15- 0.96)], [Current; OR 0.28, 95% CI=0.10-0.80]), and alcohol intake ([Ex; OR 3.22, 95% CI 1.03-10.09],[Current; OR 3.36, 95% CI=1.30-8.71]) for men, and education(OR 2.23, 95% CI=1.10-4.53), body mass index(OR 2.72, 95% CI=1.13-6.53), and self-rated health(OR 2.38, 95% CI=1.07-5.30) for women. CONCLUSIONS: The awareness rate of hypertension among the middle aged and elderly in Chuncheon was 55.8%. The related factors of awareness were gender specific. Further studies are needed to elucidate the putative reasons for these gender differences.
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  • Risk Factors for Unawareness of Obstructive Airflow Limitation among Adults with Chronic Obstructive Pulmonary Disease
    Mirae Jo, Heeyoung Oh
    Journal of Korean Academy of Community Health Nursing.2018; 29(3): 290.     CrossRef
  • Effects of an empowerment program for self‐management among rural older adults with hypertension in South Korea
    Dong‐Soo Shin, Chun‐Ja Kim, Yong‐jun Choi
    Australian Journal of Rural Health.2016; 24(3): 213.     CrossRef
  • Accuracy of Self-reported Hypertension, Diabetes, and Hypercholesterolemia: Analysis of a Representative Sample of Korean Older Adults
    Heeran Chun, Il-Ho Kim, Kyung-Duk Min
    Osong Public Health and Research Perspectives.2016; 7(2): 108.     CrossRef
  • Hypertension awareness and the related factors by age
    Heeran Chun, Il-Ho Kim
    Korean Journal of Health Education and Promotion.2016; 33(5): 37.     CrossRef
  • Factors Affecting Regular Medical Services Utilization of Chronic Disease Patients - Focusing on the Hypertension, Diabetes Mellitus, Hyperlipidemia -
    Young-Suk Seo, Jong-Ho Park, Ji-Hye Lim
    Korean Journal of Health Education and Promotion.2014; 31(3): 27.     CrossRef
  • Related Factors of Awareness, Treatment, and Control of Hypertension in Korea : Using the Fourth Korea National Health & Nutrition Examination Survey
    Dong-Min Chang, Il-Su Park, Jong-Hyun Yang
    The Journal of Digital Policy and Management.2013; 11(11): 509.     CrossRef
  • The Comparison of Health Status and Health Behavior among Hypertension Group, DM Group, and Hypertension DM Group for the Aged Provided with Customized Home Care Service by Visiting Nurses
    Hee Kyoung Hyoung, Hyo-Soon Jang
    Journal of Korean Academy of Community Health Nursing.2011; 22(1): 11.     CrossRef
  • Knowledge and perceptions about hypertension among neo- and settled-migrants in Delhi, India
    Yadlapalli Sriparvati Kusuma, Sanjeev Kumar Gupta, Chandrakant Sambaji Pandav
    Global Heart.2009; 4(2): 119.     CrossRef
  • Knowledge, awareness, behavior (KAB) and control of hypertension among urban elderly in Western China
    Xinping Zhang, Minmin Zhu, Hassan H. Dib, Jian Hu, Shengchun Tang, Tao Zhong, Xing Ming
    International Journal of Cardiology.2009; 137(1): 9.     CrossRef
Prevalence and Associated Factors of Osteoporosis among Postmenopausal Women in Chuncheon: Hallym Aging Study(HAS).
Soong Nang Jang, Young Ho Choi, Moon Gi Choi, Sung Hyun Kang, Jin Young Jeong, Yong Jun Choi, Dong Hyun Kim
J Prev Med Public Health. 2006;39(5):389-396.
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AbstractAbstract PDF
OBJECTIVES
A community-based, cross-sectional survey was conducted to determine theprevalence of osteoporosis and to evaluate the effects of body composition, health behaviors and reproductive history on bone density in postmenopausal women. METHODS: The study subjects were 362 postmenopausal women, aged 45 years old or over, who were invited to the hospital. Information on their socio-demographic characteristics and the potential risk factors such as their past medical history, smoking, alcohol intake, exercise, diet and menstrual/reproductive histories were collected by trained interviewers. Weight, height, the body mass index (kg/m2), and body composition variables were measured. Bone mineral density of the lumbar spine was measured by dual energy X-ray absorptiometry (DXA). RESULTS: The prevalence of osteoporosis was 30.6% in the 45~64 years old women, 52.5% in the elderly women aged 65~74, and 68.7% in the women aged 75 years or over. After adjustment for the effect of potential covariates, those women in the highest 25% (4th quartile) of the lean body mass are less likely to have osteoporosis (aOR=0.31, 95% CI=0.12-0.76), compared with the lowest quartile group. More parity also had significantly detrimental effects on osteoporosis. CONCLUSIONS: These findings suggest that the prevalence of osteoporosis in postmenopausal women increased with age from 46.3% of those aged 45-64 to 68.7% fo those aged 75 and over. Lean body mass and parity appeared significant contributor to bone mineral density in postmenopausal women in this population.
Summary
Assessment of the Glycophorin A Mutant Assay as a Biologic Marker for Low Dose Radiation Exposure.
Mina Ha, Keun Young Yoo, Sung Whan Ha, Dong Hyun Kim, Soo Hun Cho
Korean J Prev Med. 2000;33(2):165-173.
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OBJECTIVES
To assess the availability of the glycophorin A (GPA) assay to detect the biological effect of ionizing radiation in workers exposed to low-doses of radiation. METHODS: Information on confounding factors, such as age and cigarette smoking was obtained on 144 nuclear power plant workers and 32 hospital workers, by a self-administered questionnaire. Information on physical exposure levels was obtained from the registries of radiation exposure monitoring and control at each facility. The GPA mutant assay was performed using the BR6 method with modification by using a FACScan flow cytometer. RESULTS: As confounders, age and cigarette smoking habits showed increasing trends with GPA variants, but these were of no statistical significance. Hospital workers showed a higher frequency of the GPA variant than nuclear power plant workers in terms of the NO variant. Significant dose-response relationships were obtained from in simple and multiple linear regression models. The slope of the regression equation for nuclear power plant workers was much smaller than that of hospital workers. These findings suggest that there may be apparent dose-rate effects. CONCLUSION: In population exposed to chronic low-dose radiation, the GPA assay has a potential to be used as an effective biologic marker for assessing the bone marrow cumulative exposure dose.
Summary
Incidence and Risk Factors for Diabetes Mellitus in Korean Middle-aged Men: Seoul Cohort DM Follow-up Study.
Dong Hyun Kim, Yoon Ok Ahn, Sung Woo Park, Moon Gi Choi, Dae Sung Kim, Moo Song Lee, Myung Hee Shin, Jong Myon Bae
Korean J Prev Med. 1999;32(4):526-537.
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OBJECTIVES
It is known that the prevalence of diabetes mellitus(DM) appears to be rapidly increasing in recent times in Korea, presumably due to a westernized diet and change of life style followed by rapid economic growth. Based on the Seoul male cohort which was constructed in 1993, this study was conducted to estimate the annual incidence rates of DM through 4 years' follow up and to determine which factors are associated with DM risk in Korean middle-aged men. METHODS: Among 14,533 men recruited at baseline, 559 were excluded because they reported a history of diabetes or were found to be diabetes at 1992 routine health examination. During 4 years follow-up, 237 incident DM cases were ascertained through chart reviews and telephone contacts for those who have ever visited hospitals or clinics under suspicion of DM during 1993-1996 and the biennial routine health examinations in 1994 and 1996. RESULTS: In this study the annual incidence of DM among the study population was estimated to be 0.5 per 100. This study showed that fasting glucose level at initial baseline examination was a powerful predictor of risk for diabetes several years later(fasting blood glucose of > or = 110 mg/dl compared with < or = 80 mg/dl, Hazard Ratio[HR]=15.6, 95% Confidence interval[CI]=9.1-26.6) after considering potential covariates such as age, family history, smoking and alcohol history, body mass index, physical activity, total energy intake, and total fiber intake. Adjusted hazard ratios of family history of diabetes was 1.95(95% CI=1.38-2.75); of obesity as measured by BMI(BMI > or = 25.3 compared with < or = 21.3) was 7.19(95% CI=3.75-13.8); of weight change during middle life(>10kg compared with 5) was 1.77(95% CI=1.16-2.69); of smoking(current vs none) was 1.93(95% CI=1.06-3.51); and fat intake(upper tertile compared with lower tertile) was 1.88(95% CI=1.01-3.49), while fiber intake was associated with the reduced risk(HR=0.36, 95% CI=0.19-0.67). CONCLUSION: The factors identified in this study indicate that the greatest reduction in risk of diabetes might be achieved through population-based efforts that promote fiber intake and reduce obesity, smoking, and fat intake.
Summary
A Cohort Study on Risk Factors for Chronic Liver Disease: Analytic Strategies Excluding Potentially Incident Subjects.
Moo Song Lee, Dae Sung Kim, Dong Hyun Kim, Jong Myun Bae, Myung Hee Shin, Yoon Ok Ahn
Korean J Prev Med. 1999;32(4):452-458.
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OBJECTIVES
The authors conducted the study to evaluate bias when potentially diseased subjects were included in cohort members while analyzing risk factors of chronic liver diseases. METHODS: Total of 14,529 subjects were followed up for the incidence of liver diseases from January 1993 to June 1997. We have used databases of insurance company with medical records, cancer registry, and death certificate data to identify 102 incident cases. The cohort members were classified into potentially diseased group(n=2,217) when they were HBsAg positive, serum GPT levels higher than 40 units, or had or has liver diseases in baseline surveys. Cox' model were used for potentially diseased group, other members, and total subjects, respectively. RESULTS: The risk factors profiles were similar for total and potentially diseased subjects: HBsAg positivity, history of acute liver disease, and recent quittance of smoking or drinking increased the risk, while intake of pork and coffee decreased it. For the potentially diseased, obesity showed marginally significant protective effect. Analysis of subjects excluding the potentially diseased showed distinct profiles: obesity increased the risk, while quitting smoking or drinking had no association. For these intake of raw liver or processed fish or soybean paste stew increased risk; HBsAg positivity, higher levels of liver enzymes and history of acute liver diseases increased the risk. CONCLUSIONS: The results suggested the potential bias in risk ratio estimates when potentially diseased subjects were included in cohort study on chronic liver diseases, especially for lifestyles possibly modified after disease onset. The analytic strategy excluding potentially diseased subjects was considered appropriate for identifying risk factors for chronic liver diseases.
Summary
Prevalence of Dementia in the Elderly of an Urban Community in Korea .
Dong Hyun Kim, Duk L Na, Byeon Gil Yeon, Yeonwook Kang, Kyung Bok Min, Soo Hyun Lee, Sang Suk Lee, Mi Ra Lee, Ok Jung Pyo, Chan Byung Park, Sunmean Kim, Sang Soo Bae
Korean J Prev Med. 1999;32(3):306-316.
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OBJECTIVES
In Korea, as in most countries, there will be a sharp increase in the number of dementia patients in the near future. However basic data on dementia prevalence, which is important in defining epidemiologic characteristics and in implementing preventive strategy, are limited. This study was conducted to estimate the prevalence rate of dementia in the urban elderly aged 65 or older in Kwangmyung, Korea. METHODS: A two phase design was used for case finding and case identification. In phase I, a representative sample aged 65 or older was selected and interviewed by door-to-door survey with a Korean version of the Mini-Mental State Examination (K-MMSE). In phase II, Of the 946 subjects interviewed in phase I, 356 elderly were randomly selected disproportionately according to K-MMSE score. Of these elderly, 223 (61.5%) underwent standardized clinical evaluations, including psychiatric interview, neurological examination, and neuropsychological assessment. Dementia was diagnosed by the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) criteria. The diagnosis of Alzheimer's disease (AD) was made by National Institute of Neurological and Communicative Disorders and Stroke-Alzheimer's Disease and Related Disorders Association(NINCDS-ADRDA) criteria and vascular dementia (VD) by DSM-IV. RESULTS: The overall weighted prevalence rate of all dementia among Kwangmyung residents aged 65 or older was 12.8%(age-adjusted rate: 13.0%, 95% Confidence Interval[CI]: 10.6-15.3%). Women had much higher prevalence rate than men even when age was controlled(15.9%[95% CI 12.6-19.2%] vs 7.5%[95% CI 4.6-10.4%]). The rates of dementia were 5.2%, 12.2%, 17.0%, and 34.3% for the age groups of 65-69, 70-74, 75-79 and 80 and over, respectively. The rate of AD appeared to be slightly higher than that of VD(5.2% vs 4.8%), though not statistically significant. Most of the cases(69%) were mild dementia according to CDR(<1) in these subjects. CONCLUSIONS: These results showed that the prevalence rate of dementia among urban elderly in Korea appears to be higher than those of other Asian countries.
Summary
Reliability for Multiple Reviewers by using Loglinear Models.
Byung Joo Park, Sung Im Lee, Young Jo Lee, Dong Hyun Kim, Ho Jang Kwon, Jong Myon Bae, Myung Hee Shin, Mi Na Ha, Sang Whan Han
Korean J Prev Med. 1997;30(4):719-728.
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To guarantee the inter-reviewer reliability is very important in evaluating the quality of large number of clinical research papers by multiple reviewers. We cannot find reports on statistical methods for evaluating reliability for multiple raters in clinical research field. The purpose of this paper is to introduce the statistical methods focused on kappa statistic and five kinds of loglinear models for, which can be applied when evaluating the reliability of multiple raters. We have applied these methods to the result of a project, in which seven reviewers have evaluated the quality of 33 papers with regard to four aspects of paper contents including study hypothesis, study design, study population, study method, data analysis and interpretation. Among the five loglinear models including Symmetry model, Conditional symmetry model, Quasi-symmetry model, Independence model, and Quasi-independence model, Quasi-symmetry model shows the best model of fitting. And the level of reliability among seven reviewers revealed to be acceptable as meaningful.
Summary
Association of Liver Dysfunction with Self-Medication History in Korean Healthy Male Adults.
Jong Myon Bae, Byung Joo Park, Moo Song Lee, Dong Hyun Kim, Myung Hee Shin, Yoon Ok Ahn
Korean J Prev Med. 1996;29(4):801-814.
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AbstractAbstract PDF
BACKGROUND
Korean people could abuse healthy foods as well as medications, which might cause serious side effects. The aim of this study was elucidating liver dysfunction due to the self-medications of hepatotonics, healthy foods and herb medications by nested case-control study. METHODS: Study subjects were drawn from male members of seoul Cohort Study who were recruited by self-administered structured questionnaire survey through mailing to the healthy men between the age of 40 and 59 years through the program of biennial health check-up offered by Korea Medical Insurance Corporation(KMIC). The liver dysfunction was defined as the level of serum AST and ALT above 40 IU/L and increased in more than one hundred per-cent during the 2 year follow-up period. To estimate the odds ratio between self-medication and liver dysfunction after controlling for potential confounders, logistic regression was performed. RESULTS: During the follow-up period, 30 members were identified to fit into case criteria and 2,625 members were selected as control. In logistic regression analyses, history of healthy foods intake, age under 45 years, obesity, and habit of regular exercise were significantly associated with liver dysfunction. The following factors exhibited no statistical significance: intake of hepatotonics, of herb medicine; history of disease in family, of operation, and of radiologic examination; smoking habits and drinking amounts. CONCLUSION: The significant association between the intake of healthy foods and the liver dysfunction illustrates that chronically optional overuse of healthy foods might bring to hazards to health. As the increasing trend of the size of purchasing healthy foods in Korea, pharmacoepidemiologic studies evaluating the safety and efficacy of the widely used healthy foods should be performed in the near future.
Summary
A Case-Control Study on Risk Factors of Uterine Cervix Cancer in Korea.
Hye Won Koo, Keun Young Yoo, Dong Hyun Kim, Yong Sang Song, No Hyun Park, Soon Beom Kang, Hyo Pyo Lee, Yoon Ok Ahn, Chae Un Lee
Korean J Prev Med. 1996;29(2):159-172.
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A hospital-based case-control study was carried out to investigate the risk factors of uterine cervical cancer in korea. Information on a wide-range of life-styles, which might be related with uterine cervix cancer, has been routinely collected through a dual application of the self-administered questionnaire and the direct interview by a well-trained nurse at the Department of Gynecology, Seoul National University Hospitals since 1992. The number of cervical cancer cases, histologically confirmed at the hospital, were 284. Included were 939 women as controls, who were free of past history of any malignancies. Adjusted odds ratio and 95% confidence limits were based on the unconditional logistic regression model. The multivariate logistic model was constructed under the consideration of biologic characteristics on the natural history of the malignancy. In the multivariate results, the uterine cervical cancer risk was higher in women of shorter height(P(trend) <0.05), less educated spouse (P(trend) < 0.001), multiple marriages(adjusted OR=2,70,95% C.I. 1.64~4.47), ever had a family history (adjusted OR=2.14., 95 % C.I. l.18~3.89), multiparity (P(trend) < 0.001), and early age at first delivery (P(trend) < 0.001). These results strongly suggest that the uterine cervix cancer might be related to the reproductive factors, and probably with sexual behaviour of both women and men in Korea.
Summary
A Case-control Study on Risk Factors of Osteoporosis in Some Korean Outpatient Women of One General Hospital of Seoul.
Sun Ok Woo, Sangsoo Bae, Dong Hyun Kim
Korean J Prev Med. 1995;28(3):609-622.
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Until now there are few available epidemiologic data of osteoporosis in Korea, and the severity of osteoporosis-related health problem has not been widely recognized yet. But the numbers of the old people are increasing in Korea, and in 2000, the proportion of people over 65 will be up to about 6.8% of total population. Therefore, osteoporosis, one of the most common metabolic bone disease among the old people, will be one of the most important public health problem. on this background this study was performed to find out risk factors of the development of osteoporosis in Korean women through case-control approach. The subject of this study were selected among the women one general hospital in seoul and were checked bone density from sep. 1988 to sep. 1993. Those who were diagnosed to have hypertension, diabetes mellitus, thyroid disease, breast disease, or liver disease, which are thought to influence bone density, were excluded. Also excluded those who are age-unknown. Finally the subjects were 2,139 women aged between 18 and 79. We operatively defined patient group as those whose bone density is below 1.03 g/cm2, 90% of average bone density of women of 4th decade who visited the same hospital. And we defined control group as whose bone density is above 1.15g/cm2. we randomly selected 201 women from the patient group and 202 from the control. As independent variables we chose age, menarche age, menopause age, menopause type, the number of siblings, the number of pregnancies, body mass index, taking oral pill or not, feeding type, and educational state. Multiple logistic regression analysis was done to see the influence of these variables on the risk of osteoporosis. Results are as follows; 1. menopausal status was statistically significant risk factor to all women irrespective of her age, while obesity and later menopause age were food to be statistically significant protective factors. 2. The more siblings and pregnancies, the greater the risk of osteoporosis, but these factors were not statistically significant. This result is not consistent with other studies. Further studies are strongly needed.
Summary
A Case-Control Study of Primary Liver Cancer and Liver Disease History.
Dong Hyun Kim, Byung Joo Park, Keun Young Yoo, Yoon Ok Ahn, Hyo Suk Lee, Chung Yong Kim, Sang Il Lee, Moo Song Lee, Hyung Sik Ahn, Heon Kim, Tae Soo Park
Korean J Prev Med. 1994;27(2):217-225.
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The relationship between past liver disease history and the risk of primary liver cancer was analyzed in a hospital-based case-control study conducted in Seoul on 165 patients with histologically or serologically confirmed hepatocellular carcinoma and individually age-and sex-matched 165 controls in hospital for ophthalmologic, ontologic, or nasopharyngeal problems. Significant association were observed for liver diseases occurring 5 or more years before liver cancer diagnosis[OR, 4.9;97% confidence interval(CI), 1.6~14.0) and family history of liver disease(OR, 9.0;95% CI, 2.1~38.8). These associations were mot appreciably modified by allowance for major identified potential confounding factors, From these results, it is possible to speculate that liver cell injuries caused by Considering the significant effect of family history of liver diseases on PLCA risk after adjusting past liver disease history, there might be genetic susceptibility in the carcinogenic mechanism of liver cancer. Further investigations are needed to clarify the effect of family history of liver disease on PLCA risk.
Summary
The Effect of Coffee Consumption on Serum Total Cholesterol Level in Healthy Middle-Aged Men.
Myung Hee Shin, Dong Hyun Kim, Jong Myun Bae, Hyung Ki Lee, Moo Song Lee, Joon Yang Noh, Yoon Ok Ahn
Korean J Prev Med. 1994;27(2):200-216.
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In present study, the authors investigated the possible effect of coffee consumption on serum cholesterol level in 1017 men between the ages of 40 and 59 years, who were randomly selected from the members of Seoul Cohort Study. Serum total cholesterol data was collected with other serologic indices(e.g. systolic blood pressure, diastolic blood pressure, hight, weight, etc.)through the program of biennial health check-up offered by Korean Medical Insurance Corporation(KMIC). The amount of coffee consumption was assessed by a self-administered questionnaire through mailing. Other confounding factors, such as age, body mass index, cigarette smoking, alcohol consumption, physical activity, and other dietary intake pattern were also determined by the questionnaire. The differences in means of serum total cholesterol in compared to non consumers were -0.4+/-3.56mg/dl for those drinking less than 1 cup a day, -0.6+/-3.60mg/dl for those drinking 1 cup a day, and 7.1+/-3.41mg/dl for those drinking more than 2 cups a day. Since smoking interacted the relationship between coffee consumption and serum total cholesterol, we re-analyzed those relationship in smokers and non-smokers separately. Other atherogenic behaviors were well correlated with total cholesterol, so we adjusted the mean values of serum total cholesterol through multivariate model selection with age(r=0.12), total cigarette index(cigarette-years; r=0.10), Quetelet's index(kg/m2, r=0.16), daily calory expenditure(kcal/day, r=0.06), weekly meat and poultry consumption(g/week, r=0.05), weekly fish consumption(g/week, r=0.08), other caffeinated beverage intake(cups/week), and the amount of sugar and prim added to the coffee. Among those variables only age, Quetelet's index, fish consumption, and total cigarette index(in smokers)were remained in the models. After adjustment, the corresponding differences of total cholesterol in smokers were changed to 0.4+/-5.24mg/dl, -0.5+/-4.97mg/dl, and 8.9+/-4.78mg/dl, which were significantly different among themselves(P=0.011). In non-smokers, however, the differences were not statistically significant(P=0.76). Adjusted mean values of systolic blood pressure and diastolic blood pressure were also determined to evaluate the direct effect of coffee to cardiovascular system, but their means were not significantly different by coffee consumption(p=0.18 for SBP, P=0.48 for DBP). Assuming instant coffee on the most popular type of coffee in Korea, the association observed in our study between coffee and serum total cholesterol, especially in smokers , is very interesting finding for the connection between coffee and serum total cholesterol, because only 'boiled coffee' tend to show significant lipid raising effect rather than to other types of coffee, like filtered or espresso, in most of the western countries. We concluded that people who drink coffee more than 2 cups a day have significantly higher serum total cholesterol level than those who never drink coffee, especially in smokers.
Summary

JPMPH : Journal of Preventive Medicine and Public Health