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Ki Hong Chun 10 Articles
A Factor of Fasting Blood Glucose and Dietary Patterns in Korean Adults Using Data From the 2007, 2008 and 2009 Korea National Health and Nutrition Examination Survey.
Kyung Won Paek, Ki Hong Chun, Soo Jin Lee
J Prev Med Public Health. 2011;44(2):93-100.
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  • 9 Crossref
AbstractAbstract PDF
This study was performed to identify the socioeconomic factors, health behavior factors and dietary patterns that have an influence on the fasting blood glucose in adults. METHODS: This study used data collected from the 2007, 2008, 2009 Korea National Health and Nutrition Examination Survey. The final sample included 4163 subjects who were 30-59 years old and who had completed the necessary health examinations, the health behaviors survey and nutrition survey. RESULTS: Eleven dietary patterns emerged from the factor analysis with different factor loading. After controlling for potential confounders, multiple regression analysis of the dietary patterns showed that 'fruits', 'alcohols', and 'starchy foods' affected the fasting blood. Lower consumption of 'fruits' and higher consumption of 'alcohols' and 'starch foods' were significantly associated only with an increased risk of high blood glucose. CONCLUSIONS: In the light of the results of this study, it appears pretty likely that the risk of developing high blood glucose can be reduced by changing a person's dietary patterns.


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    Jae-Heon Kang, Hyun-Jin Nam, Kyoungmi Jung, Gyeyoung Choi, Ji-Hae Lee, Hyun Woo Jeong, Jonghwa Roh, Wangi Kim
    Food Supplements and Biomaterials for Health.2021;[Epub]     CrossRef
  • Intake of Fruits for Diabetics: Why and How Much?
    Eun Young Lee
    The Journal of Korean Diabetes.2019; 20(2): 106.     CrossRef
  • Relationship between fruit and fish intakes and cardiovascular disease risk factors in Korean women with type 2 diabetes mellitus: Based on the 4th and 5th Korea National Health and Nutrition Examination Surveys
    Ji Soo Oh, Hyesook Kim, Ki Nam Kim, Namsoo Chang
    Journal of Nutrition and Health.2016; 49(5): 304.     CrossRef
  • Association between flavonoid intake and diabetes risk among the Koreans
    Jee-Young Yeon, Yun Jung Bae, Eun-Young Kim, Eun-Ju Lee
    Clinica Chimica Acta.2015; 439: 225.     CrossRef
  • Association of dietary pattern with biochemical blood profiles and bodyweight among adults with Type 2 diabetes mellitus in Tehran, Iran
    Nasrin Darani Zad, Rokiah Mohd Yusof, Haleh Esmaili, Rosita Jamaluddin, Fariba Mohseni
    Journal of Diabetes & Metabolic Disorders.2015;[Epub]     CrossRef
  • A factor of periodontal disease and dietary patterns in Korean adults using data from Korea National Health and Nutrition Examination Survey V
    Kyung Won Paek, Soojin Lee, Joung Hwan Back
    Journal of Korean Academy of Oral Health.2015; 39(4): 280.     CrossRef
  • Less Healthy Dietary Pattern is Associated with Smoking in Korean Men According to Nationally Representative Data
    Sang-Yeon Suh, Ju Hyun Lee, Sang Shin Park, Ah-Ram Seo, Hong-Yup Ahn, Woo Kyung Bae, Yong Joo Lee, Eunji Yim
    Journal of Korean Medical Science.2013; 28(6): 869.     CrossRef
  • Prevalence of Diabetes and Impaired fasting glucose according to Food frequency Similarity in Korea
    So-Hye Jeon, Nam-Hyun Kim
    Journal of the Korea Academia-Industrial cooperation Society.2013; 14(2): 751.     CrossRef
  • Diabetes Risk Analysis Model with Personalized Food Intake Preference
    So-Hye Jeon, Nam-Hyun Kim
    Journal of the Korea Academia-Industrial cooperation Society.2013; 14(11): 5771.     CrossRef
Attitudes toward Complementary and Alternative Medicine in Suwon City.
Mi Sook Song, Ki Hong Chun, Hyun Jong Song, In Whee Park, Seung Chul Yoo
Korean J Prev Med. 1999;32(2):162-169.
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AbstractAbstract PDF
The aim of this study was to investigate the attitudes toward complementary and alternative medicine among 1,490 residents(339 households) in Suwon city. METHODS: All respondents were asked about types, frequency, effects, side-effects, views, and cost of complementary or alternative medicine through a questionnaire from July 24th to 27th. Six therapies were investigated: diet; acupuncture/ massage/ chiropractic etc.; mind control such as Ki/ Yoga/ spiritual therapy/ relaxation therapy etc.; nutritional supplements, cultural remedies; and Herb medications. RESULTS: The results of this survey were as follows: 35.6% of respondents had experiences with at least one or more types of complementary and alternative medicine. The average number of different types of therapies used was 3.4. More experience with various types of therapies were found among those respondents of higher education, older age group, higher income, married group, religious group than among the opposite groups of respondents. Herb medications were used most frequently(39.8%), followed by minor grains(37.9%), Ginseng(23.8%), Boshintang(21.5%), acupuncture(20.3%), Gaesojou (15.3%), Gingko nut(12.0%), mushroom(11.5%), Cupping therapy(10.2%), and black goat(0.0%). Acupuncture and Herb medications were used for treatment of hypertension the most frequently; minor grains or silkworm for treatment of diabetic mellitus; vegetables for treatment of obesity; acupuncture, Cupping Therapy, Herb medications for treatment of rheumatism; and acupuncture, Herb medications, or exercises for treatment of Cerebro Vascular Accident(CVA). The average costs of treatment were 108,000 Won for hypertension, 87,200 Won for diabetic mellitus, 16,800 Won for obesity, 68,800 Won for rheumatism, and 87,500 Won for CVA. Among 10.9% of respondents, there were 13 cases of side-effects with acupuncture, Herb medications, and Gaesojou. Among the cases of side-effects, majority was due to Herb medications. Respondents reported that Cupping Therapy was the most effective, followed by acupuncture, Ginseng, Gingko nut, Boshintang, black goat, minor grains, Gaesojou, Herb medications, vegetables, and mushroom. In response to the views of complementary and alternative medicine which they had used, they recommended minor grains first, followed by Ginseng, acupuncture, Gingko nut, Cupping Therapy, vegetables, Boshintang, black goat, mushroom and Herb medications. In contrast, they did not recommend Herb medications, acupuncture, nor Gaesojou. CONCLUSIONS: These findings indicate that many people use various complementary and alternative medicine without any guidelines for treatment of serious chronic diseases not even to invigorate themselves. It is, therefore, suggested that medical doctors or scientists verify the true effects or side-effects from the most common complementary or alternative therapies through experiments. Also medical doctors should provide a comfortable atmosphere for discussion among doctors and patients who would like to try these therapies.
A study on appropriateness of price of medical care service in health insurance.
Ki Hong Chun, Kui Son Choi, Im Ok Kang
Korean J Prev Med. 1998;31(3):460-470.
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AbstractAbstract PDF
By expanding health insurance, customers will carry a smaller burden of medical costs. As a result, the number of visits to a physician increase and this result in the improvement of medical accessibility. But medical care utilization may be changed not only by insurance status but also by socio-demographic factor, economic status and other factors. The question thus remains, at which level of accessibility and what price of medical care service in health insurance will the customer and the medical care service be satisfied. The price of medical care service is comprised of the customer's out-of-pocket money and the costs not covered by health insurance. If the price of medical care services in health insurance are appropriate, medical care utilization should not differ because of the difference in income status or the acuteness of illness. But If the price is not adequate, low income groups will receive relatively low medical care utilization, particularly in the case of chronic disease. The purpose of this study is to evaluate the differences in medical care utilization among the various income groups and those with varying acuteness of illness. The major hypotheses to test in this study are : (I) whether there are differences in medical care utilization among different income groups exist, (II) whether differences in medical care utilization among different income groups exist with the hospital type. (III) whether differences in medical care utilization among different income groups exist with the acuteness of illness and with age. The data was collected from the JongRo District Health Insurance Society in Seoul. A total of 118,336 persons were selected as the final sample for this study. The major findings of this study were as follows ; 1. The volume of ambulatory utilization among users was statistically significant by income level. 2. Among different income groups, the volume of ambulatory utilization was statistically significant by the acuteness of illness. 3. Higher income groups with chronic diseases had a greater volume of ambulatory utilization than other groups.
A study on the determinants of hospital profitability.
Ki Hong Chun, Woo Hyun Cho
Korean J Prev Med. 1993;26(3):442-456.
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AbstractAbstract PDF
Financial stability is the foremost prerequisite for the continuous growth and development of hospitals. The present study aimed at developing a deterministic model using the factors which affect the hospitals profitability and at discovering which factor affected the hospital profitability. The study conducted questionnaire surveys on all general hospitals, with the exception of special hospitals, with over eighty hospital beds. Of the 274 subject hospitals, 136 of them, consituting 49.6% of the whole, were used in the study. The results are as follow. 1. In the deterministic model, outpatient revenue was affected more by the number of physician visits than by outpatient service intensity. Inpatient revenue was found to be affected more by the number of discharged patients than by inpatient service intensity. However, the increase rate of the service intensity not only contributed in stepping up the operating margin by 4~8% in outpatient and 3~6% in inpatient, but it was statistically significant. 2. Among the factors which determined the operating cost within the deterministic model, the number of patients had a greater impact on the operating cost than the resource consumption per patient. 3. The resource consumption per patient were proved to have the greatest effect on the profitability within the probabilistic model. The management cost per adjusted patient, in particular, was proven to have a statistically significant effect on the profitability in all hospitals.
Impact of increasing the level of copayments on the number of physician visits.
Ki Hong Chun, Hang Jung Kim
Korean J Prev Med. 1992;25(1):73-87.
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AbstractAbstract PDF
The level of copayment increased in order to stabilize the financial condition of the health insurance on 1986. An important question regarding the policy was whether the increase in the level of copayments reduced the utilization of medical services in the poor selectively. In spite of the importance of the research question, no study has been reported. This study was designed to find out changes in nuniU rs of physician visits, to explain charac teristics influencing the difference of utilization before and after the program. Finally the interaction effect between the program and the level of income was examined for the abover question. A total of 10,421 persons from eight institutions was selected as the study sample. Research findings are as follows. 1. The number of physician visits decreased by ten percent as a result of increasing the level of copayment. 2. The decrease was remarkable in some groups such as children, rural area and large family. 3. The most important factor which explained the difference was the number of physician visits before the introduction of the new program.. The more numbers of physian visits during the last year were, the more numbers of physian visits decreased after the program. 4. The interaction term between the program and the level of income was statistically significant in the multiple regression model which explained physician visits and its coefficient was negative. It means that an increase in copayment did not reduced the number of physician visits in the poor, selectively. 5. It can be concluded that imposing adequate copayment reduces the use of medical services as well as medical costs without serious damage in access especially for the poor pule.
An Analysis of Determinants of Medical Cost Inflation using both Deterministic and Stochastic Models.
Han Joong Kim, Ki Hong Chun
Korean J Prev Med. 1989;22(4):542-554.
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AbstractAbstract PDF
The skyrocketing inflation of medical costs has become a major health problem among most developed countries. Korea, which recently covered the entire population with National Health Insurance, is facing the same problem. The proportion of health expenditure to GNP has increased from 3% to 4.8% during the last decade. This was remarkable, if we consider the rapid economic growth during that time. A few policy analysts began to raise cost containment as an agenda, after recognizing the importance of medical cost inflation. In order to prepare an appropriate alternative for the agenda, it is necessary to find out reasons for the cost inflation. Then, we should focus on the reasons which are controllable, and those whose control are socially desirable. This study is designed to articulate the theory of medical cost inflation through literature reviews, to find out reasons for cost inflation, by analyzing aggregated data with a deterministic model. Finally to identify determinants of changes in both medical demand and service intensity which are major reasons for cost inflation. The reasons for cost inflation are classified into cost push inflation and demand pull inflation. The former consists of increases in price and intensity of services, while the latter is made of consumer derived demand and supplier induced demand. We used a time series (1983-1987), and cross sectional (over regions) data of health insurance. The deterministic model reveals, that an increase in service intensity is a major cause of inflation in the case of inpatient care, while, more utilization, is a primary attribute in the case of physician visits. Multiple regression analysis shows that an increase in hospital beds is a leading explanatory variable for the increase in hospital care. It also reveals, that an introduction of a deductible clause, an increase in hospital beds and degree of urbanization, are statistically significant variables explaining physician visits. The results are consistent with the existing theory. The magnitude of service intensity is influenced by the level of co-payment, the proportion of old age and an increase in co-payment. In short, an increase in co-payment the utilization, but it induced more intensities or services. We can conclude that the strict fee regulation or increase in the level of co-payment can not be an effective measure for cost containment under the fee for service system. Because the provider can react against the regulation by inducing more services.
A Study of the Factors Causing Delayed Reimbursement of Medical Insurance Benefit.
Myongsei Sohn, Ki Hong Chun, Young Doo Lee
Korean J Prev Med. 1989;22(2):259-267.
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AbstractAbstract PDF
The objective of this study was to analyze the influence of the hospital and insurer in causing delayed reimbursement of medical insurance benefits. We analyzed major variables at three different sized hospitals to examine the effect of the hospital and insurer using the two-way ANOVA method. The results were as follows: 1. The time interval between claim by hospitals and payment of the benefit was statistically different according to hospital in both admission and outpatient care. 2. The time needed by the insurer for investigating the claimers was statistically different according to hospital and insurer in both admission and outpatient care. There was interaction between the hospital and insurer factors in outpatient care. 3. Although there was interaction between the hospital and insurer factors in admission care, the time interval between claim and payment was statistically different. In outpatient care, the payment interval between claim and payment was also statistically different according to the hospital and insurer.
Cost-benefit Analysis of Health Screening Test for the Insured.
Seung Hum Yu, Myongsei Sohn, Woo Hyung Cho, Eun Cheol Park, Young Doo Lee, Kyu Sik Lee, Ki Hong Chun
Korean J Prev Med. 1989;22(2):248-258.
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  • 36 Download
AbstractAbstract PDF
As a result of cost-benefit analysis by making a macroscopic approach to the health screening projects conducted 4 times since 1980 for the insured people of the Korea Medical Insurance Corporation, the following conclusions were reached. 1. The direct costs put into the health screening project, and the time costs which were paid by examines or calculated in terms of social costs have been estimated. The results is that the lowest estimation was 10,337 million won and the highest 15,141 million won when a minimum of 1.5 hours of time spent and a maximum 4 hours were applied. 2. In terms of the psychiatric benefits, the lowest estimation was 5,341 million won while the highest was 5,585 million won. 3. In terms of the benefits for each kind of diseases, the lowest estimation of 37,188 million won and highest estimation of 74,383 million won have been calculated for the liver diseases. And for the cardiovascular diseases, the minimum estimation was 14,475 million won while the maximum was 20,532 million won. In case of pulmonary tuberculosis, with external effect benefits being included, the estimation ranged from the minimum of 1,649 million won to the maximum of 1,832 million won. And the estimation of benefits for diabetes mellitus and renal diseases ranged from 89 million won to 92 million won and from 4,567 million won respectively. 4. In comparing costs and benefits, as a results of comparing each highest and lowest estimation, a range of minimum 46,708 million won and maximum 98,071 million won of benefits has been gained.
Impact of District Medical Insurance Plan on Number of Hospital Patients: Using Box-Jenkins Time Series Analysis.
Yong Jun Kim, Ki Hong Chun
Korean J Prev Med. 1989;22(2):189-196.
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AbstractAbstract PDF
In January 1988, district medical insurance plan was executed on a national scale in Korea. We conducted an evaluation of the impact of execution of district medical insurance plan on number of hospital patients: number of outpatients; and occupancy rate. This study was carried out by Box-Jenkins time series analysis. We tested the statistical significance with intervention component added to ARIMA model. Results of our time series analysis showed that district medical insurance plan had a significant effect on the number of outpatients and occupancy rate. Due to this plan the number of outpatients had increased by 925 patients every month which is equivalent to 8.3 percents of average monthly insurance outpatients in 1987, and occupancy rate had also increased by 0.12 which is equivalent to 16 percents of that in 1987.
A Simulation Model of a Outpatient Scheduling System.
Ki Hong Chun, Young Moon Chae
Korean J Prev Med. 1986;19(1):56-64.
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AbstractAbstract PDF
This paper describes a GPSS-based, multi-server queueing model that was developed to simulate the patient flow, and to analyze the effectiveness of the patient scheduling system under various conditions. Unpredictable and unacceptably long waits to receive the service at the outpatient department of a general hospital necessitated the study. Arrival and service time distribution needed for the simulation model were generated from actual arrival and service patterns observed during the peak hours. The simulation results show that a change in patient scheduling system (i.e. time interval between appointments, starting time, and the number of physicians) from a current system would significantly reduce the patient wait time. This study provides the hospital administrator with an analysis of patient scheduling system under several conditions, and will be used to plan future scheduling system and staffing. Studies such as this can demonstrate the value of simulation in providing information for use in future planning.

JPMPH : Journal of Preventive Medicine and Public Health