• Journal of Convergence for Information Technology
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• v.11 no.4
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• pp.176-185
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• 2021

This study conducted a survey from September 5 to 30, 2020 targeting 415 workers participating in regional self-sufficiency center programs in four locations in Daejeon and Daegu. The purpose of the study was to examine oral symptoms of the study subjects and the effects if psychological anxiety parameters on oral health and quality of life. As a result of the study, oral dryness, temporomandibular joint symptoms, and periodontitis all had a significant effect on oral health and quality of life, and psychological anxiety factors had a partial mediating effect. The subjective oral symptom problems led to a negative psychological state, which could further impair the quality of life. In the future, the results of this study can be used as basic data for expanding psychological counseling programs for self-supporting workers and improving oral health policies for regular oral health education.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.21 no.2
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• pp.79-88
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• 2021

Scientific software requires a development process different from conventional application software due to its unique characteristics, such as expert-level deep domain knowledge requirements. In this study, we proposed a V & V development process based on RE (Reverse Engineering) and TDD (Test-Driven Development) for software development for science. We also configured a virtual scenario for the actual project, applied it, checked the procedure, and refined it. The development process of this study, suggested for the purpose of developing scientific software, will contribute to the development and application of the software that can provide high quality and high reliability. And This study is expected to serve as an opportunity for the development of scientific software and the spread of research.

• Journal of the Architectural Institute of Korea Structure & Construction
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• v.34 no.3
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• pp.19-28
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• 2018

Key factors that ensure competitiveness of modular unit include consistent high quality and connection condition that ensures high structural performance while minimizing the overall scale of the on-site process. However, it is difficult to evaluate the structural performance of the connection of modular unit, and its structural analysis and design method can be different depending on the connection to its development, which affects the seismic performance of its final design. In particular, securing the seismic performance is the key to designing modular systems of mid-to-high-rise structure. In this paper, therefore, the seismic performance of the modular system with bracket-typed fully restrained moment connections according to stiffness and the shapes of various connection members was evaluated through experimental and analytical methods. To verify the seismic performance, a cyclic loading test of the connection joint of the proposed modular system was conducted. As a result of this study, theoretical values and experimental results were compared with the initial stiffness, hysteresis behavior and maximum bending moment of the modular system. Also, the connection joint was modeled, using the commercial program ANSYS, which was then followed by finite element analysis of the system. According to the results of the experiment, the maximum resisting force of the proposed connection exceeded the theoretical parameters, which indicated that a rigid joint structural performance could be secured. These results almost satisfied the criteria for connection bending strength of special moment frame listed on KBC2016.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.24 no.11
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• pp.1463-1469
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• 2020

Multimedia information, including video and voice, is highly utilized in that it is easily understood by people. For this reason, applications have been studied which store multimedia information in IoT devices and transmit information in conjunction with smartphones. The problem is that the size of information can be larger than the capacity of IoT devices due to video and image. In this paper, the multimedia content design technique, which takes into account the limitations of storage capacity, was studied when there is a limit of storage capacity. Considering that the video has a higher understanding of information than text, while the capacity is larger, the solution between information comprehension and capacity is sought. The size of static and dynamic media is a variable and the harm is solved in accordance with the linear planning method. Case studies have shown that the design techniques of this paper are useful.

• Journal of Convergence for Information Technology
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• v.11 no.6
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• pp.171-180
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• 2021

This study was conducted to investigate the effects of oral care behavior, oral health care self-efficacy, and social support on the subjective oral health level of the elderly. The data survey was conducted from September 17, 2019 to November 22, 2019 for the elderly living in Daejeon Metropolitan City and parts of Chungcheongnam-do, and the collected data were analyzed by 𝑥2-test, Pearson correlation analysis, and logistic regression analysis. As a result of the survey, subjective oral health level increased by 3.242 times when dentures were not used and 2.339 times when the number of brushings per day was 3 or more times. In addition, as the oral health care self-efficacy and social support increased 1.755 times and 1.192 times, respectively, the subjective oral health level also increased. Based on the above results, in order to improve the subjective oral health level of the elderly, opportunities for oral health education such as denture care methods and toothbrushing lessons should be expanded. In addition, there is a need to prepare policies to reinforce oral health care self-efficacy and social support.

• Journal of the Korea Convergence Society
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• v.11 no.12
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• pp.261-274
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• 2020

Research on the development and effectiveness of internet-based cognitive-behavioral therapy with a trauma focus (iCBT-T) has been actively conducted in Western societies, but these studies have just begun in Korea. The purpose of this study was to suggest practical considerations to developing and managing the iCBT-T program. After reviewing previous studies on iCBT-T, this author suggested a model of convergence and collaboration between mental health knowledge and information and communication technologies (ICT) to develop the iCBT-T program. This article outlines practical considerations, including focus and target groups of iCBT-T, intervention types of iCBT-T (open access vs. guided), number of sessions, ethical issues, professional support, and degree of user involvement. Methods to complement the limitations of internet as a medium are also proposed in the iCBT-T program. The convergence model of CBT-T and ICT is expected to promote the development of programs that can contribute to improving the mental health of users who experience traumatic events.

• Journal of Convergence for Information Technology
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• v.11 no.3
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• pp.46-53
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• 2021

This study aimed to compare general and female health-related factor between day-work and shift-work worker. It is based on the data of the Korea National Health&Nutrition Examination Survey(KNHANES) 2nd year on 7th period. The number of participants was 10,430. Out of the participants, 1,995 workers' dara was analyzed. The age, marital status, education level, occupational status and childbirth experience of female workers indicated significant differences between day and shift work. By contrast, health-related quality of life did not represent significant differences these factors; income, subjective health cognition, stress perception, depression experience, menarcheal age, menopausal age and breastfeeding period. The shift work is inevitably implemented as an industrial development and flexible work hours. Therefore, social and national attention and measures as well as those of individual workers are required to reduce the side effects from shiftwork.

• Journal of Korean Critical Care Nursing
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• v.14 no.1
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• pp.1-13
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• 2021

Purpose : Based on Quint's theory and the relevant literature, this study constructed a structural equation model for explaining and predicting end-of-life care performance in clinical nurses. Methods : A self-administered questionnaire was used to collect data from 265 nurses between September 1 and September 30, 2016. The data were analyzed using SPSS ver. 21 and AMOS ver. 21. Results : The goodness of fit of the modified model was found to be relatively satisfactory (χ2=114.82, Nomed χ2(χ2/df)=2.44, SRMR=.06, GFI=.94, AGFI=.89, CFI=.95, TLI=.91, RMSEA=.07). End-of-life care performance was affected by the attitudes toward nursing care of the dying, working unit, and death anxiety. The attitudes toward such care had the highest effect on end-of-life care performance. Conclusion : The results suggest that end-of-life care performance is directly and indirectly affected by attitudes toward nursing care of the dying, participation in end-of-life care education, working unit, death perception, and death anxiety. To improve clinical nurses' end-of-life care performance, effective programs to promote death anxiety and attitudes toward nursing care of the dying need to be developed. In addition, hospital nursing organizations should attempt to produce concrete measures for death anxiety and terminal care attitudes in clinical nurses.

• Journal of the Korea Society for Simulation
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• v.30 no.1
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• pp.139-152
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• 2021

Simulations enable virtually experiencing rare events as well as analytically analyzing such events. Defense modeling and simulation research and develops the virtual and the constructive simulations to support these utilizations. These virtual and constructive(VC) simulations can interoperate to simultaneously virtual combat experience as well as evaluations on tactics and intelligence of combat entities. Moreover, recently, for artificial intelligence researches, it is necessary to retrieve human behavior data to proceed the imitation learning and the inverse reinforcement learning. The presented work illustrates a case study of VC interoperations in the aircombat scenario, and the work analyze the collected human behavior data from the VC interoperations. Through this case study, we discuss how to build the VC simulation in the aircombat area and how to utilize the collected human behavior data.

• Journal of Convergence for Information Technology
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• v.12 no.4
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• pp.47-55
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• 2022

This study was conducted to identify the correlation between dental hygiene students' overdependence on smartphones, sleep deprivation, and self-control, and factors influencing self-control. 267 college students in the department of dental hygiene located in the Chungcheong area were surveyed and analyzed. Smartphone overdependence was positively correlated with sleep deprivation and smartphone overdependence was negative correlated with self-control. The sleep deprivation was negative correlated with self-control. Factors affected to self-control were problematic results and sleep deprivation. Therefore, it is necessary to develop education and programs that can increase the self-control of dental hygiene students and to prepare measures to prevent sleep problems and overdependence on smartphone.