• 구강회복응용과학지
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• 제19권1호
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• pp.1-6
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• 2003

취약한 구강 건강은 손상된 저작의 기능을 유발할 수 있다. 음식의 선택에서 저작의 기능이 중요한 역할을 하는지는 아직 까지도 논쟁의 여지가 있을지라도, 손상된 저작의 기능은 부적절한 음식의 선택을 하게끔하며, 따라서 영양의 섭취를 변화시킨다. 만약 이러한 가설이 맞다면, 저작 기능의 결핍은 일반적 건강에 해로운 것일 것이다. 취약한 구강의 건강과 특정한 위장의 질환 사이의 관계는 비록 과학적으로 확립되지는 않았을지라도 제안되어 왔다. 공공 건강의 정책은 자연치아를 보존함으로써 적절한 영양의 섭취를 가능케 하는 것을 강조하여야 하며, 치과의사들은 의치의 사용과 관련된 영양의 위험을 의식하여야 할 것이다.

• 기본간호학회지
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• 제13권1호
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• pp.60-67
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• 2006

Purpose: To identify the relationship between medication use and falls among hospitalized stroke patients. Method: The medical records of 472 patients with strokes were reviewed using a questionnaire on falling developed by the authors. Frequencies, percentages, means, standard deviations, and t-test and ${\chi}^2$-test, multiple logistic regression analysis were done using the SAS program. Results: The rate for falls by the patients during their stay in the hospital was 14.0%. The length of stay was longer and the morbidity duration of stroke shorter in the fall group than in the non-fall group. The use of sedatives, laxatives, and antidepressants was a significant predictor of falls and was associated with increase likelihood of falling(1.82, 1.81, 1.75 times respectively). Conclusion: In hospitalized stroke patients, there was a significant association between the use of sedatives, laxatives, antidepressants and falls. The number and kinds of ingested drugs was also associated with falls. It is necessary to further analyze the causes of falls based on results of the present study.

• 대한불안의학회지
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• 제11권2호
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• pp.114-119
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• 2015

A conflict of interest is usually defined as a set of circumstances that creates a risk that professional judgments or actions regarding a primary interest will be unduly influenced by a secondary interest. In general, a conflict of interest can be classified as either a financial or a non-financial one. A financial conflict of interest reportedly occurs frequently in medical (and psychiatric) research and practice and is associated with a greater likelihood of reporting results favorable to the intervention being studied. A non-financial conflict of interest may occur in psychiatric research and practice as a result of the so-called "allegiance effect." It is very important that clinicians and researchers in the field of psychiatry be aware that their field is vulnerable to both financial and non-financial conflicts of interest. Considering that it is impossible in modern psychiatry to be completely free from possible conflicts of interest, the best way to manage a conflict of interest is disclosure based on the principles of transparency. Actions that might lead to conflicts of interest should be avoided as much as possible.

• Asian Pacific Journal of Cancer Prevention
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• 제15권14호
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• pp.5627-5631
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• 2014

Background: Oral cancer presents with high mortality rates, and the likelihood of survival is remarkably superior when detected early. Dental professionals have an important role and responsibility in prevention and early detection of oral cancer. Purpose: The aim of this study was to assess the knowledge, practices and opinions regarding oral cancer among dentists in Yemen. Materials and Methods: A cross-sectional survey was conducted using a self-administered questionnaire involving private and public dental practitioners, working in different governorates in Yemen. Results: Of the 800 dentists surveyed, a total of 221 questionnaires were completed and returned (response rate 27.6%). A vast majority of dentists (96.38%) identified tobacco as the major risk factor for oral cancer, and 82.8% knew that squamous cell carcinoma is the most common form. While 47.1% of the dentists agreed that they were adequately trained in oral cancer screening, the majority (86%) believed that they need further training in oral cancer screening. Conclusions: These results suggest that additional training and continuing educational programs on prevention and early detection of oral cancer for dentists are to be highly recommended.

• 한국임상수의학회지
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• 제29권1호
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• pp.63-67
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• 2012

Mosquitoes are the vectors of a number of viral diseases in cattle, such as Akabane disease, bovine ephemeral fever, Ainovirus infection, Chuzan virus infection, and Ibaraki disease. These diseases are transmitted from an infected animal to a non-infected host via the blood feeding of the vector. In Korea, the National Veterinary Research and Quarantine Services, Ministry for Food, Agriculture, Forestry and Fisheries is responsible for planning, implementation, laboratory investigations and reporting the results of the national surveillance program for mosquito-borne bovine diseases (MBD). The surveillance program, which was started in 1993, focused to determine the seroprevalence of each disease in cattle herds in space and time. From the epidemiological point of view, more important component of the surveillance program is to monitor infection rates in vectors for specific pathogens because this information is essential for a more precise understanding the dynamics of these diseases in a given environment and for determining risk of transmission. The aim of this study was to describe and compare methods for estimation of vector infection rates using maximum likelihood (MLE) and minimum infection rate in pooled samples. Factors affecting MLE such as number of pools, pooling size and diagnostic test performance are also discussed, assuming some hypothetical sampling scenarios for MBD.

• 한국지진공학회:학술대회논문집
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• 한국지진공학회 1998년도 춘계 학술발표회 논문집 Proceedings of EESK Conference-Spring 1998
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• pp.23-30
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• 1998

An estimation of seismic risk parameters by seismic zones of the Korea Peninsula in order to calculate the seismic hazard values using these was erformed. Seven seismic source zones were selected in consideration of seismicity and geology of Korean Peninsula. The seismicity parameters that should be estimated are maximum intensity, activity rate and b value in the Gutenberg - Richter relation. For computation of these parameters, least square method or maximum likelihood method is applied to the earthquake data in two ways; the one for the data without maximum intensity and the other with maximum intensity. Earthquake data since Choseon Dynasty is regarded as complete and estimation of parameters was made for these data using above two ways. And recently, a new method is published that estimate the seismicity parameters using mixed data containing large historical events and recent complete observations. Therefore, this method is applied to the whole earthquake data of the Korean Peninsula. It turns out that the b value computed considering maximum intensity is slightly lower than that computed considering without maximum intensity, and it becomes still lower when the incomplete data prior to Choseon Dynasty is used. In the case of the activity rates, the values obtained without maximum intensity and that with maximum intensity are similar, though they are lower when the incomplete data is used. The values of maximum intensities are usually lower when considering incomplete data. In the seismic source zone including the Yangsan Fault zone, however, the values are higher when considering the incomplete data.

• Communications for Statistical Applications and Methods
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• 제24권2호
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• pp.173-191
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• 2017

This study develops a new type of latent class analysis (LCA) in order to explain the associations between one latent variable and several other categorical latent variables. Our model postulates that the prevalence of the latent variable of interest is affected by another latent variable composed of other several latent variables. For the parameter estimation, we propose deterministic annealing EM (DAEM) to deal with local maxima problem in the proposed model. We perform simulation study to demonstrate how DAEM can find the set of parameter estimates at the global maximum of the likelihood over the repeated samples. We apply the proposed LCA model in an investigation of the effect of and joint patterns for drug-using behavior to violent behavior among US high school male students using data from the Youth Risk Behavior Surveillance System 2015. Considering the age of male adolescents as a covariate influencing violent behavior, we identified three classes of violent behavior and three classes of drug-using behavior. We also discovered that the prevalence of violent behavior is affected by the type of drug used for drug-using behavior.

• The Journal of Asian Finance, Economics and Business
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• 제7권8호
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• pp.635-644
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• 2020

The construction industry in developing countries like Vietnam, which incorporates small and medium construction enterprises, is typically more prone to disputes and contract dispute-related lawsuits. A dispute may occur at any time in the life cycle of the project. It is sometimes solved with the intermediation of a lawyer or directly by stakeholders. Understanding the causes of disputes in a construction project not only improves the efficiency of a company but also increases the success of projects. This study was carried out using a questionnaire survey at construction projects in Ho Chi Minh City. Sample data with 117 observations were analyzed to find the disputing factors in construction projects: diversity of working style among the parties; reluctance to work; and poor teamwork. Correlation coefficient on a rank of factors between design consultant and contractor; Design consultant and project owners are positively correlated. The Exploratory Factor Analysis (EFA) analysis identified six groups of factors in construction disputes: cooperation, technology, economics, productivity, information, and behavior. The findings are useful for enterprise practice and provide participants with an overview of sources of dispute. Thus, a more complete risk management plan can be formulated, which will accelerate project progress and improve the likelihood of success.

• Journal of Genetic Medicine
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• 제8권2호
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• pp.100-104
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• 2011

유전자 검사는 생명과학의 발달과 더불어 질병 진단 및 연구의 중요한 수단으로 일반화되고있으나, 태아에 대한 유전자 검사는 자기결정권이 없는 태아를 대상으로 하기 때문에 또 다른 윤리적, 사회적 문제가 있을 수 있으므로 특별한 주의를 기울여야 한다. 따라서 태아 유전자 검사를 시행하기 전에 유전 상담이 충분히 이루어져서 부모에게 병의 진단, 자연경과, 가능한 치료를 이해시키며, 질환의 유전방식과 가족의 재발 위험도를 평가하고 그에 따른 가능한 선택을 제시하여 가족들이 질환에 대해 최선의 결정을 할 수 있게 도움을 주어야 한다. 뿐만 아니라 태아 유전자 검사에 대한 현행법의 합리적인 법률 개정도 뒷받침되어야 한다.

• Nuclear Engineering and Technology
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• 제49권5호
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• pp.1079-1089
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• 2017

Nuclear power plants under expansion and under construction in China are mostly located in coastal areas, which means they are at risk of suffering strong earthquakes and subsequent tsunamis. This paper presents a safety analysis for a new reinforced concrete containment vessel in such events. A finite element method-based model was built, verified, and first used to understand the seismic performance of the containment vessel under earthquakes with increased intensities. Then, the model was used to assess the safety performance of the containment vessel subject to an earthquake with peak ground acceleration (PGA) of 0.56g and subsequent tsunamis with increased inundation depths, similar to the 2011 Great East earthquake and tsunami in Japan. Results indicated that the containment vessel reached Limit State I (concrete cracking) and Limit State II (concrete crushing) when the PGAs were in a range of 0.8-1.1g and 1.2-1.7g, respectively. The containment vessel reached Limit State I with a tsunami inundation depth of 10 m after suffering an earthquake with a PGA of 0.56g. A site-specific hazard assessment was conducted to consider the likelihood of tsunami sources.