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      • SCOPUSKCI등재

        우리나라 성인 남성의 흡연여부와 흡연량에 미치는 담배가격의 효과

        정우진,이선미,최승주,신가영,조경숙,임승지,Chung, Woo-Jin,Lee, Sun-Mi,Choi, Sung-Joo,Shin, Ka-Young,Cho, Kyung-Sook,Lim, Seung-Ji 대한예방의학회 2007 예방의학회지 Vol.40 No.5

        Objectives: To determine the impact of cigarette prices on the decision to initiate and quit smoking by taking into account the interdependence of smoking and other behavioral risk factors. Methods: The study population consisted of 3,000 male Koreans aged ${\ge}20$. A survey by telephone interview was undertaken to collect information on cigarette price, smoking and other behavioral risk factors. A two-part model was used to examine separately the effect of price on the decision to be a smoker, and on the amount of cigarettes smoked. Results: The overall price elasticity of cigarettes was estimated at -0.66, with a price elasticity of -0.02 for smoking participation and -0.64 for the amount of cigarettes consumed by smokers. The inclusion of other behavioral risk factors reduced the estimated price elasticity for smoking participation substantially, but had no effect on the conditional price elasticity for the quantity of cigarettes smoked. Conclusions: From the public health and financial perspectives, an increase in cigarette price would significantly reduce smoking prevalence as well as cigarette consumption by smokers in Korea.

      • KCI등재

        토착 미생물을 이용한 MTBE와 BTEX의 혐기성 생분해 연구

        정우진,장순웅,Chung, Woo-Jin,Chang, Soon-Woong 한국지하수토양환경학회 2016 지하수토양환경 Vol.21 No.3

        The simultaneous biodegradation between MTBE (Gasoline additives) and BTEX (Benzene, Toluene, Ethyl-benzene, o-Xylene, m-Xylene, p-Xylene) was achieved within a competitive inter-relationship, with not only electron accepters such as nitrate, sulfate, and iron(III) without oxygen, but also with electron donors such as MTBE and BTEX. Preexisting indigenous microorganisms from a domestic sample of gasoline contaminated soil was used for a lab-scale batch test. The result of the test showed that the biodegradation rate of MTBE decreased when there was co-existing MTBE and BTEX, compared to having just MTBE present. The growth of indigenous microorganisms was not affected in the case of the MTBE treatment, whereas the growth of the microorganisms was decreased in combined MTBE and BTEX sample. This may indicate that an inhibitor related to biodegradation when BTEX and MTBE are mixed will be found. This inhibitor may be found to retard the anaerobic conditions needed for efficient breakdown of these complex carbon chain molecules in-situ. Moreover, it is also possible that an unknown competitive reaction is being imposed on the interactions between MTBE and BTEX dependent on conditions, ratios of mixture, etc.

      • SCOPUSKCI등재

        우리나라 여성의 만혼(晩婚) 이 첫 출산간격에 미치는 영향

        정우진,이경애,이선미,Chung, Woo-Jin,Lee, Kyoung-Ae,Lee, Sun-Mi 대한예방의학회 2006 예방의학회지 Vol.39 No.3

        Objectives: The purpose of this study was to examine the effect of women's late age of marriage on the interval between marriage and their first birth Methods: Data from Year 2000 Korea National Fertility Survey was collected through direct interview questionings, and the data was analyzed based on randomly selected sampling. In particular, the married women (N=5,648) were analyzed for the factors that determined the first-birth interval by performing Cox's proportional hazard model survival analysis. Results: Unlike previous findings, the woman whose age of marriage was 30 or more was more likely to delay the birth of her first baby than were the other women who married earlier. Further, a woman's age at marriage, a woman's residence before marriage, her husband's religion, her husband's level of education and the difference in age between the woman and her husband significantly influenced the first-birth interval. In contrast, for a married woman, her age, level of education, current residence and religion were not significant predictors of her first birth interval. Conclusions: Our study showed that women who married at the age of 30 years or more tend to postpone their first birth in Korea. When facing the increasing number of women who marry at a late age, the Korean government should implement population and social policies to encourage married women have their first child as early as possible.

      • SCOPUSKCI등재

        음주의 사회경제적 비용 추계

        정우진,전현준,이선미,Chung, Woo-Jin,Chun, Hyun-Jun,Lee, Sun-Mi 대한예방의학회 2006 예방의학회지 Vol.39 No.1

        Objectives: We wanted to estimate the annual socioeconomic costs of alcohol drinking in Korea. Methods: The costs were classified as direct costs, indirect costs and the other costs. The direct costs consisted of direct medical costs, indirect medical costs and subsidiary medical costs. Particularly, the medical costs and population attributable fraction for disease were considered to reflect the calculation of the direct medical costs. The indirect costs were computed by the extent to which the loss of productivity and loss of the workforce might have occurred due to changes in mortality and morbidity according to alcohol drinking. The other costs consisted of property loss, administration costs and costs of alcoholic beverage. Results: The annual costs, which seemed to be attributable to alcohol drinking, were estimated to be 149,352 hundred million won (2.86% of GDP). In case of the latter, the amount includes 9,091 hundred million won for direct costs (6.09%), 62,845 hundred million won for the reduction and loss of productivity (42.08%), 44,691 hundred million won for loss of the workforce (29.92%), and the other costs (21.91%). Conclusions: Our study confirms that compared with the cases of Japan (1.9% of GNP) and the other advanced countries (1.00-1.42% of GDP), alcohol drinking incurs substantial socioeconomic costs to the Korean society. Therefore, this study provides strong support for government interventions to control alcohol drinking in Korea.

      • SCOPUSKCI등재

        우리나라 남성 흡연자의 금연의향 담배가격 분석

        정우진,이선미,신가영,임승지,조경숙,Chung, Woo-Jin,Lee, Sun-Mi,Shin, Ka-Young,Lim, Seung-Ji,Cho, Kyung-Sook 대한예방의학회 2008 예방의학회지 Vol.41 No.3

        Objectives : The purpose of this study was to estimate the willingness to quit cigarette price among Korean male adults, and to examine the factors affecting the willingness to quit cigarette price. Methods : The data was collected by a random digit dial telephone survey. 702 samples were analyzed by using t-tests, ANOVA and OLS regression analysis. To estimate the willingness to quit cigarette price, smokers were asked dichotomous questions with open-ended follow-up and the starting point of the price was randomized by one of 5 bid prices elicited from a pilot study. Results : The mean of the willingness to quit cigarette price was 4,287 Won per package, which was about 2,000 Won higher than the mean of the actual price the smokers now paid. About 41% of respondents were willing to quit smoking if the price of cigarette would be increased by 3,000 Won, and if the price would be increased by 20,000 Won, all respondents were willing to quit smoking. The factors associated with the willingness to quit cigarette price were the place of residence, the amount of smoking and the degree of exposure to smoking through the mass media. Conclusions : The results showed that to get people to quit smoking, increasing the cigarette price would obviously be effective and much higher prices have a greater effect. Furthermore, to enlarge the effect of increased cigarette prices, providing more cessation programs to small towns, reducing the amount of smoking and decreasing or prohibiting advertisements of cigarettes and smoking in the mass media will be efficient.

      • KCI등재

        소아중환자실 호흡기질환 입실 환자의 재입실 위험 요소

        정우진 ( Woo Jin Chung ),윤다혜 ( Da Hye Yoon ),이의경 ( Eui Gyung Lee ),방경원 ( Kyong Won Bang ),김환수 ( Hwan Su Kim ),전윤홍 ( Yoon Hong Chun ),윤종서 ( Jong Seo Yoon ),김현희 ( Hyun Hee Kim ),김진택 ( Jin Tack Kim ),이준성 ( 대한천식알레르기학회 2014 Allergy Asthma & Respiratory Disease Vol.2 No.2

        Purpose: Children admitted to pediatric intensive care unit (PICU) with respiratory tract disease, often have a tendency to be readmitted to PICU with disease progression. We studied the risk factors for readmission to PICU, with respiratory disease progression. Methods: Among 286 children admitted to Seoul St. Mary’s Hospital PICU from April 2009 to March 2012, 129 children admitted with respiratory tract disease were enrolled. We grouped the children readmitted to PICU with respiratory tract disease progression within 2 weeks (readmission group), and the others (control group). We compared basic and respiratory tract disease characteristics at initial PICU admission between them, by retrospective chart review. Results: Among 129 children, 8 were included in the readmission group, and 121 in the control group. Mortality and underlying disease incidence were higher in the readmission group (P=0.003 and P=0.033, respectively). The readmission group showed higher parenchymal lung disease incidence, and lower initial saturation by pulse oxymeter (SpO2)/fraction of inspiratory oxygen (FiO2), despite underlying disease influence (P=0.035 and P=0.041, respectively). Logistic regression on the underlying disease and respiratory variables showed no single factor with a significantly independent influence on readmission, but parenchymal lung disease had more independent influence. Conclusion: For PICU readmission with respiratory tract disease progression, parenchymal lung disease and lower initial SpO2/FiO2 can be a risk factor despite underlying disease influence. Underlying disease and each respiratory characteristic were not significantly independent risk factors, suggesting a correlation of factors. But, parenchymal lung disease can be a more independent risk factor. (Allergy Asthma Respir Dis 2014;2:128-133)

      • KCI등재

        의료정책의 정치경제학: 건강보험 약가 정책을 중심으로

        정우진 ( Woo Jin Chung ) 한국정책학회 2002 韓國政策學會報 Vol.11 No.4

        The article examines Korea drug pricing policy reform. The reform was motivated by a desire to enhance the efficiency and transparency of the dung against the backdrop of lack of public support, resistance of various interest print reform agenda-Korea ended up with a drug pricing policy in favor of interest groups, at the cost of heavier general public and fiscal burden. Our study suggests that health policy involves complex decision making, heavily affected by political, economic, and even diplomatic relationships. Without, controlling these, it is difficult to achieve the policy goal of bettering the publics welfare.

      • SCOPUSKCI등재

        만성 C형간염과 인슐린 저항성

        정우진 ( Woo Jin Chung ) 대한소화기학회 2012 대한소화기학회지 Vol.59 No.4

        Insulin resistance is frequently associated with chronic liver disease, and the interaction between hepatitis C virus (HCV) infection and insulin resistance is a major public health issue, bound to increase in the near term. Because of their potential synergism on liver disease severity, a better understanding of the clinical consequences of the relationship between HCV infection and insulin resistance is needed. This translates into accelerated liver disease progression, reduced response to anti-viral agents and, in susceptible individuals, increased risk of developing type 2 diabetes. HCV may also cause hepatic steatosis, especially in patients infected with genotype 3, although the clinical impact of viral steatosis is debated. Little is known regarding the effect of anti-diabetic agents on HCV infection, and a possible association between use of exogenous insulin or a sulfonylurea agents and the development of hepatocellular carcinoma has recently been reported. Thus, modified lifestyle and pharmacological modalities are urgently warranted in chronic hepatitis C with metabolic alterations. (Korean J Gastroenterol 2012;59:268-274)

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