• Journal of Families and Better Life
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• v.27 no.3
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• pp.225-237
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• 2009

The purposes of this research were (1) to comprehend how families used and evaluated the in-home care service provided by the Healthy Family Support Center, and (2) to investigate the differences in the perceptions of service fee, satisfaction in and loyalty to service among the types of family categorized by their income. The data from 346 mothers or fathers whose children had received the in-home care service at least once were analyzed. One-way ANOVA and Scheffe or Tamhane post hoc test were used to test the hypotheses. The findings were as follows: 1. There were significant differences in perception of the service fee among the family types: the 'Da'-type families tended to perceive that the service fee was expensive and not cheaper than the similar services provided by other organizations. 2. The 'Ga'-type families scored significantly higher than the 'Na'-type families and the 'Da'-type families on satisfaction in service, and higher than the 'Da'-type families on loyalty to the service. 3. No significant difference was found on satisfaction in the performances of baby-sitters and staffs in charge of the service. The implications drawn from the study findings are discussed.

• The Journal of the Korea Contents Association
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• v.12 no.8
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• pp.283-299
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• 2012

The aim of this study is to develop strategies activating long-term care visiting nursing. The research design was a descriptive survey study, and the data were collected from the visiting nursing center managers, customers, and long-term care insurance staffs. The major results were as follows. To activate the long-term care visiting nursing, first, the basic nursing care for ensuring sustainable health management has to be included. Second, the visiting nursing must be designated as mandatory use in standard guideline for using long-term care services. Third, the insurance pricing of visiting nursing must be based on the cost of visiting nursing. And, last, using a visiting nursing must be possible without a doctor's order sheet, when it is required for the assessment of patient's health status.

• Atmosphere
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• v.19 no.1
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• pp.53-66
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• 2009

The purpose of this study is to describe the roles of carbon dioxide in the climate change, and carbon dioxide reduction policies in some countries. In addition, ways to cope with climate change in Korea are also discussed. Currently, global temperatures are rising due to the carbon dioxide produced by human beings. Global temperatures will rise approximately $6^{\circ}C$ until 2100 if we emit carbon dioxide at a present rate. Temperature rise will affect the terrestrial and oceanic resources, and ultimately influence the socio-economic structures including political stability. Most of the carbon dioxide comes from fossil fuels. Therefore, it is urgent to reduce the use of energy, which comes from fossil fuels. Solving the climate change due to the increases in carbon dioxide is a global problem. Korea should participate in the international community and cooperate with each other in order to reduce the carbon dioxide concentration. No policy was announced for the reduction of carbon dioxide so far. Korea should make a policy for the reduction of carbon dioxide in a specific year compared to that of certain standard year such as 1990 or 2005. Making policy should be based on the scientific result of the amount of carbon dioxide emitted and absorbed. Germanwatch announced the Climate Change Performance Index (CCPI) in order to evaluate an effort to reduce the carbon dioxide for 56 countries which emits 90 % of global carbon dioxide. Ranking for Korea is 51 among 56 countries. This clearly indicates that the appropriate carbon dioxide reduction has not been exercised yet in Korea. Researchers have a moral responsibility to provide updated new ideas and knowledges regarding climate change. Politicians should have a sharp insight to judge the ideas provided by researchers. People need an ethics to reduce the carbon dioxide in every day's life. Scientific research should not be influenced by stress caused by external budget and negative impact of capitalism. Science should be based on the pure curiosity.

• Journal of Digital Convergence
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• v.10 no.2
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• pp.109-119
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• 2012

MMORPG online game business has emerged as the most lucrative entertainment industry, with over 10 million gamers in South Korea. It appears that in this extremely attractive and growing services segment, academics, as well as practitioners, would benefit from investigating the relationships among the players' attachment or affection, game contents-related and social interaction-related construct. We assume that game contents-related construct consists of storytelling, game-play method, contents-diversity and the sense of identification, and that social interaction-related construct includes information-sharing, gamers' empowerment and the word-of-mouth. Based on data collected from online questionnaire survey, the validity of the research model has been tested. The results show that contents-related construct influences the players' attachment, and that social interaction-related construct has no direct impact on the attachment. But social interaction-related construct has been shown to influence contents-related construct, implying the indirect impact on the players' attachment.

• Journal of Digital Convergence
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• v.15 no.11
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• pp.485-496
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• 2017

This study aims to examine the moderating effects of social support and subjective social status in the relationship between discrimination and self-rated health among foreign spouses. For the analysis, data from the 2015 National Survey of Multicultural Families was used and a total of 16,870 foreign spouses were selected using hierarchical regression analysis. The results of this study showed that discrimination was negatively related with self-rated health while social support and subjective social status were positively related with self-rated health of foreign spouses. Also, the moderating effect of subjective social status was identified, which means that it enhanced the positive effect of discrimination on self-rated health. This study provided empirical evidence for implementation of social integration policies. The authors suggested future qualitative research of discrimination and health, and social policies and services promoting equal opportunities for foreign spouses.

• Journal of Digital Convergence
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• v.14 no.10
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• pp.295-302
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• 2016

Many countries, especially ICT powers, are supporting IoT-based technology at a national level and this technology is actively being researched in the businesses and research institutes in an aim to develop technology and create an ecosystem. Roads in the Seoul city are building public facilities based on IoT to provide various services and conveniences for the users. However, for the full-fledged introduction and development of IoT, there are many cases where infringement on security and privacy and threat for life and safety happen. Also, as the IoT environment includes various environment technologies such as the existing sensor network, heterogeneous communication network, and devices optimized for the IoT environment, it inherits the existing security threat and various attack techniques. This paper researches the attribute based encryption technology for safe communication in the IoT environment. The data collected from the device is transmitted utilizing the attribute based encryption and by designing the key generation protocol, grades and authorities for the device and users are identified to transmit safe messages.

• Journal of Families and Better Life
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• v.33 no.6
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• pp.115-128
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• 2015

This study aims to examine the general tendency of suicidal ideation in single person households and to analyse the differences and effects of related variables(sociodemographic variables, characteristics of single person households, happiness and depression) on suicidal ideation. For achieving these purposes, a survey was conducted using questionnaires, based on quota sampling that considers the distribution of population in each dong of one Gu in Gwangju. Finally, data of 686 single person households were used for analysis. The study findings were as follows. The average score of suicidal ideation in single person households was 6.47 points, it was somewhat higher as compared to prior research that was targeting general households. And the average score of happiness index was 4.17 points, depression was 33.11 points. The level of suicidal ideation in single person households was significantly different according to age, occupation, economic status, health status, period of single life, life satisfaction, and contact with family. In addition, the level of depression(${\beta}=.24$, p<.01) had the biggest effect on suicidal ideation in single person households and it was followed by happiness index(${\beta}=-.19$, p<.05) and family visit(${\beta}=-.15$, p<.05). The total explanatory power was 37%. These findings imply that it is important to find a high mental health risk group and treat it early, because there is a high possibility that single person households might have mental health problems by being isolated or alienated from society. In addition, diverse program and services designed to maintain familial bonds despite family members living separately are needed.

• Journal of Environmental Science International
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• v.25 no.2
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• pp.239-246
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• 2016

This study aims to analyze region-specific trends in changing greenhouse gas emissions in incineration plants of local government where waste heat generated during incineration are reused for the recent five years (2009 to 2013). The greenhouse gas generated from the incineration plants is largely $CO_2$ with a small amount of $CH_4$ and $N_2O$. Most of the incineration plants operated by local government produce steam with waste heat generated from incineration to produce electricity or reuse it for hot water/heating and resident convenience. And steam in some industrial complexes is supplied to companies who require it for obtaining resources for local government or incineration plants. All incineration plants, research targets of this study, are using LNG or diesel fuel as auxiliary fuel for incinerating wastes and some of the facilities are using LFG(Landfill Gas). The calculation of greenhouse gas generated during waste incineration was according to the Local Government's Greenhouse Emissions Calculation Guideline. As a result of calculation, the total amount of greenhouse gas released from all incineration plants for five years was about $3,174,000tCO_2eq$. To look at it by year, the biggest amount was about $877,000tCO_2eq$ in 2013. To look at it by region, Gyeonggido showed the biggest amount (about $163,000tCO_2eq$ annually) and the greenhouse gas emissions per capita was the highest in Ulsan Metropolitan City(about $154kCO_2eq$ annually). As a result of greenhouse gas emissions calculation, some incineration plants showed more emissions by heat recovery than by incineration, which rather reduced the total amount of greenhouse gas emissions. For more accurate calculation of greenhouse gas emissions in the future, input data management system needs to be improved.

• Journal of Preventive Medicine and Public Health
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• v.43 no.1
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• pp.35-41
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• 2010

Objectives: In Korea, the top 10% of Medical Aid recipients represent nearly 60% of total payment, with the costs for those disabled for over 365 days representing approximately 30% of total payment. The purpose of this study was to compare Medical Aid use of the disabled with non-disabled recipients, and to identify contributing factors to the total payment in the top 2% of recipients identified as Medical Aid overusers. Methods: Subjects (n=2,211) selected were ${\geq}18$-years-of-age and received >1000 days of co-payment-free type I Medical Aid. Case managers (n=200) conducted interviews in December 2006, and collected data from Health Insurance Review & Assessment Service. Amounts over the 9 months from January September 2006 were analyzed descriptively and using Chi-square, ANCOVA, and robust multiple linear regression. Results: Disabled individuals (mean age 61.3 years) composed 36.6% of subjects; 44.8% of the disabled were male. On a monthly basis per capita, the disabled group averaged 10.5 outpatient days, total payment of 523,000 Korean Won(￦), inpatient payment of ￦359,000, and outpatient payment of ￦183,000. All values exceeded the monthly average for non-disabled individuals. Contributing factors were identified as male gender (￦82,000), elementary school or lower educational level (￦64,000), residence in a small city (￦82,000), lack of family support (￦61,000), kidney disability (￦673,000), intellectual disability (￦151,000), and multiple disabilities (￦119,000). Conclusions: The identification of contributing factors to Medical Aid use by those defined as disabled supports the adoption of comprehensive alternative policies such as strengthening of education and consultation services, provision of alternative facilities, and promotion of self-care.

• Journal of Preventive Medicine and Public Health
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• v.36 no.4
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• pp.383-389
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• 2003

Objective : Studies have suggested that beer is associated with a high risk of mortality and morbidity. The purpose of this study was to investigate how types of alcoholic beverage are related to high risk acute harm. Methods : Data from the 1997 Korea's Behavioral Risk Factor Surveillance System Survey, collected through telephone questionings, were analyzed based on multi-stage stratified random sampling(N=1,045). Among those who had drunk at least one type of alcoholic beverage in the last month, one episode where the drinker had consumed the highest level of ethanol was selected, and the alcohol consumption per drinking day categorized into four risk levels of short-term, 'acute' harm, according to the WHO guidelines. Employing ordered logistic regression analyses, as the explanatory variables, types of alcoholic beverage, with and without socioeconomic characteristics, were considered. Results : Spirits and soju were more than ten and three times, respectively, more likely than beer, while makkolli and wine were almost as likely as beer, to involve high risk drinking, irrespective of controlling for the socioeconomic characteristics. Conclusions : Unlike most Western countries, in Korea, beer, rather than spirits or soju, is generally less likely to be associated with high risk drinking for acute harm, The influence of beverage types on high risk drinking for acute harm appears to vary between countries.