• The Journal of the Korea Contents Association
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• v.15 no.8
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• pp.326-335
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• 2015

The main purpose of this study is to maintain the necessity of Aged social well-being and to intend to grasp the influence of the elderly's social well-being on their satisfaction with life. This study selected the Aged participating in the programs offered by a college for the elderly among those aged over 65 who are living A city and G city in Gyeonggi-do Province as research subjects, and used a total of 167 survey questionnaires for final analysis. The main study findings are as follows. with respect to the correlation between socio-demographic factors and social well-being, economic level, subjective level of health and social well-being showed a positive correlation. Social health affects on life satisfaction is in the average income, subjective level of health, social well-being can explain a satisfaction rating of 25.6 % from a Life in aged can do. Subjective health status and social well-being and average income can say crazy positive effect on life satisfaction. Based on such study results, this study recommends a number of proposals.

• Korean Journal of Social Welfare
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• v.66 no.2
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• pp.159-177
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• 2014

This study examines gender differentials in depression among Korean older adults. Using logistic regression and decomposition methods, this study analyzes factors that predict depression of a full sample and separate male/female samples, respectively. Further, this study decomposes factors that affect gender differentials in depression into two components: the distributions of individual variables and the returns to risk. This study finds the variables that separately predict depression by gender. For male, having a smaller social network is associated with depression; however for female, the number of falls is associated with depression. This study also finds that being married, having greater satisfaction with current financial situation, and having good physical health increases the gap between males' and females'depression. Married male have greater returns from marriage than females. If females had the same returns as male, then the gap would have decreased by about 40%.

• Proceedings of the Korea Water Resources Association Conference
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• 2023.05a
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• pp.229-229
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• 2023

강화학습은 에이전트(agent)가 주어진 환경(environment)과의 상호작용을 통해서 상태(state)를 변화시켜가며 최대의 보상(reward)을 얻을 수 있도록 최적의 행동(action)을 학습하는 기계학습법을 의미한다. 최근 알파고와 같은 게임뿐만 아니라 자율주행 자동차, 로봇 제어 등 다양한 분야에서 널리 사용되고 있다. 상수도관망 분야의 경우에도 펌프 운영, 밸브 운영, 센서 최적 위치 선정 등 여러 문제에 적용되었으나, 설계에 강화학습을 적용한 연구는 없었다. 설계의 경우, 관망의 크기가 커짐에 따라 알고리즘의 탐색 공간의 크기가 증가하여 기존의 최적화 알고리즘을 이용하는 것에는 한계가 존재한다. 따라서 본 연구는 강화학습을 이용하여 상수도관망의 구성요소와 환경요인 간의 복잡한 상호작용을 고려하는 설계 방법론을 제안한다. 모델의 에이전트를 딥 강화학습(Deep Reinforcement Learning)으로 구성하여, 상태 및 행동 공간이 커 발생하는 고차원성 문제를 해결하였다. 또한, 해당 모델의 상태 및 보상으로 절점에서의 압력 및 수요량과 설계비용을 고려하여 적절한 수량과 수압의 용수 공급이 가능한 경제적인 관망을 설계하도록 하였다. 모델의 행동은 실제로 공학자가 설계하듯이 절점마다 하나씩 차례대로 다른 절점과의 연결 여부를 결정하는 것으로, 이를 통해 관망의 레이아웃(layout)과 관경을 결정한다. 본 연구에서 제안한 방법론을 규모가 큰 그리드 네트워크에 적용하여 모델을 검증하였으며, 고려해야 할 변수의 개수가 많음에도 불구하고 목적에 부합하는 관망을 설계할 수 있었다. 모델 학습과정 동안 에피소드의 평균 길이와 보상의 크기 등의 변화를 비교하여, 제안한 모델의 학습 능력을 평가 및 보완하였다. 향후 강화학습 모델을 통해 신뢰성(reliability) 또는 탄력성(resilience)과 같은 시스템의 성능까지 고려한 설계가 가능할 것으로 기대한다.

• Journal of Digital Convergence
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• v.15 no.4
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• pp.73-81
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• 2017

The use of Information, Communication and Technology (ICT) is closely related to the improvement of health and quality of life in later life. The elderly in general, however, face difficulty in adapting to ICT. The purpose of this study is to examine the social disparities and determinants in the use of information of the elderly residing in seoul. The data is based on the "2015-2016 Seoul Survey on Elderly Health and Functional Assessment", which include a total of 1,605 people aged 60 to 89. The results of multivariate logistic regression analysis showed that the older, women, the lower educated, and those with restricted activity or poorer health were found to be the significant determinants of the digital poverty among older people. The results call for special attention to disparity within the older group to solve digital divide issues.

• The Journal of the Korea Contents Association
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• v.13 no.3
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• pp.229-239
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• 2013

The purpose of this study was to examine the influential factors for the quality of life of 151 dental hygienists. Average score were job stress $2.84{\pm}0.60$, social support $3.97{\pm}0.52$ and quality of life $3.18{\pm}0.35$ In terms of the quality of life, there were significant gaps according to age, marital status, the type of workplace, education and economic status. In social support significant difference were found according to age, the type of workplace and work system. In job stress, economic status made significant differences to that. Among the sub-factors of the quality of life, the dental hygienists who worked in public dental clinics led a life of higher quality than those who worked in hospitals in terms of physical and psychological health. In terms of social relationships, the dental hygienists who received graduate-school education led a life of better quality than the college graduates. In terms of environments, the 30-34 age group led a life of better quality than the 25-29 age group, and those who worked in public dental clinics led a life of better quality than the others. Those who received graduate-school education led a life of better quality than the junior-college graduates and the college graduates, and the group whose annual income was between 30 and 39 million won led a life of higher quality than the others. In terms of the overall quality of life, the group that worked for five days a week was ahead of the other that worked for five days a week. As a result of analyzing what factors affected the quality of life, emotional support, material support were identified as the variables to have a significant impact on that.

• Journal of dental hygiene science
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• v.10 no.6
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• pp.417-424
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• 2010

The aim of this study was to assess the relevancy to oral health behaviors and socioeconomic characteristic among Korean adolescents. From '2007 Youth Behavior Risk Factor Surveillance 73,836 subjects database' which provided from 'Korean Centers for Disease Control and Prevention'. We conducted statistically analyzed binary logistic regression to determine the relation between dental health behavior and socioeconomic characteristic. Compared to adolescents in high-economic group, adolescents in medium or low-economic group had more likely poor dental health behaviors(p<0.05, p<0.01, p<0.001). In particular, there were significantly difference in toothbrushing the frequency of visiting a dental clinic and had received dental health education experiences. Conclusions, Because of the strong relation with demographic socioeconomic characteristic, must consider it when we improve of oral health by behavioral change. These results the need for the further development spread of oral health programs.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.15 no.10
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• pp.6046-6055
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• 2014

The present study identified the factors of economic retirement preparation for people living with disabilities using the Andersen's behavioral model. The 2012 Disabled Employment Panel Survey data were collected from May 21, 2012 to July 31, 2012 and were analyzed by applying the SPSS 20 program. Logistic regression analysis was carried out on a sample of 2,869 people aged 30 to 60 years. The predisposing factors (education, marital status), possibility factors (employment, non-basic livelihood security recipient status, homeowner status, income), and desire factors (subjective socioeconomic status, life satisfaction, self-esteem) affected the retirement preparation. To help people living with disabilities, policies and programs based on the factors that reflect the individual needs must be established.

• Korean Journal of Social Welfare Studies
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• v.47 no.4
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• pp.43-69
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• 2016

This study explored whether there are differences in the lives of the poor when they reside in areas with different socioeconomic conditions. Especially the poor living in areas with high poverty are the main focus here, so this study demonstrated their levels of neighborship and mental health. In order to analyze it, 2012 Korean General Society Survey(94 areas, 1,396 individuals) was used and the interaction effect between area poverty and individual poverty was found. As a result, the poor living in deprived areas reported higher social ties with neighbors than the poor living in wealthy areas. Furthermore, double poverty status also increased their psychological well-being level so that it suggested the poor community could be the supportive base for the poor in terms of mental health as well. The meanings of relationships the poor have in poor areas were discussed, and the implications were followed.

• 월간 한농연
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• s.46
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• pp.8-13
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• 2006

현재 호남지역에 사상 유례없는 폭설이 내려 피해를 입은 지역들은 거의 회생불능 상태에 빠져 있다. 이에 피해를 입은 지역들은 특별재난지역 선포를 요구하고 있고 정부는 선포기준과 타 지역과의 형평성을 고려해 특별재난지역 선포에 난색을 표하고 있다. 더욱 문제가 되는 것은 자연재해로 인한 피해가 발생 할때 마다 정부와 피해 지역민들은 재해 복구에 대한 이견 차이로 사회 · 경제적 비용이 낭비되고 있다는 점이다. 이에 이번호에서는 우리나라 농업재해 대책의 현주소를 알아보고 이를 해결할 수 있는 대책은 없는지 살펴보고자 한다.

• Venture DIGEST
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• s.131
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• pp.38-39
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• 2009

페루 요즘 이 낯설고 먼 나라가 심상치 않다. 300년간 스페인의 식민 지배 수탈과 19세기 말 칠레에게 국토의 요충지를 빼앗긴 슬픈 역사를 갖고 있는 페루는 수많은 군사 쿠데타와 독재, 정치적 분쟁, 사회적 경제적 혼돈을 딛고 최근 역사상 최고의 호황기를 맞고 있다. 일인당 국민소득 $3,400, 빈곤비율 40%, 전 인구의 14%가 절대 빈곤 상태이지만, 행복지수 세계 33위(한국 102위, 2008년 영국 NEF 발표)를 기록한 페루. 게다가 세계 35위(2008넌 스위스 IMD)의 국가경쟁력으로 31위의 우리나라를 바짝 쫓아오고 있다. 이처럼 눈부시게 성장하고 있는 페루를 주목해보자.