• Title/Summary/Keyword: 로지스틱 모델

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Factors Affecting Research Participation of Bereaved Families of Terminal Cancer Patients: A Prospective Preliminary Study

  • Kim, Ye Won;Lee, Yuntaek;Hwang, In Cheol;Hwang, Sun Wook;Kim, Hyo Min;Shim, Jae Yong;Choi, Youn Seon;Lee, Yong Joo
    • Journal of Hospice and Palliative Care
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    • v.19 no.3
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    • pp.233-239
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    • 2016
  • Purpose: Little is known regarding the factors associated with the willingness of family caregivers of terminal cancer patients to participate in a bereaved survey. This study aimed to ascertain the pre-loss factors that predict actual participation in a bereaved survey. Methods: We conducted a prospective observational study using data from two multi-center surveys at the end-of-life and after loss. In order to identify the pre-loss factors associated with participating in the bereaved survey, we used a step-wise multivariate logistic regression analysis. Results: Among 185 bereaved individuals, 30 responded to the survey (response rate: 16.2%). There were differences between the participation group and the non-participation group regarding religion, economic status, and perceived quality of care as assessed by the Quality Care Questionnaire-End of Life. A final multivariate model revealed that bereaved individuals who professed a religion (adjusted odds ratio [aOR]=5.01; P=0.008), had a high income (aOR=4.86, P=0.003), and satisfied with the care for familial relationship (aOR=4.49, P=0.003) were more likely to engage in the bereaved survey. Conclusion: Our finding suggests that improving the quality of end-of-life care may promote actual participation in a bereaved survey through easing post-loss distress. More attention should also be paid to those bereaved individuals who are hesitant to participate in a bereaved survey.

Impact of Changes in Climate and Land Use/Land Cover Change Under Climate Change Scenario on Streamflow in the Basin (기후변화 시나리오하의 기후 및 토지피복 변화가 유역 내 유출량에 미치는 영향 분석)

  • Kim, Jin Soo;Choi, Chul Uong
    • Journal of Korean Society for Geospatial Information Science
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    • v.21 no.2
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    • pp.107-116
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    • 2013
  • This study is intended to predict variations in future land use/land cover(LULC) based on the representation concentration pathway(RCP) storyline that is a new climate change scenario and to analyze how future climate and LULC changes under RCP scenario affects streamflow in the basin. This study used climate data under RCP 4.5 and 8.5 and LULC change scenario is created by a model that is developed using storyline of RCP 4.5 and 8.5 and logistic regression(LR). Two scenarios(climate change only and LULC change only) were established. The streamflow in future periods under these scenarios was simulated by the Soil and Water Assessment Tool(SWAT) model. Each scenario showed a significant seasonal variations in streamflow. Climate change showed that it reduced streamflow in summer and autumn while it increased streamflow in spring and winter. Although LULC change little affected streamflow in the basin, the pattern for increasing and decreasing streamflow during wet and dry climate condition was significant. Therefore, it's believed that sustainable water resource policies for flood and drought depending on future LULC are required.

Relationship Between Depressive Symptoms and Physical Function(ADL, IADL) Among the Rural Elderlies (농촌지역 노인들의 신체적 기능(ADL, IADL)과 우울수준과의 관련성)

  • Shin, Eun-Sook;Cho, Young-Chae
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.1
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    • pp.201-210
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    • 2012
  • This study was performed to determine the levels of depressive symptoms and to reveal its relationships between ADL and IADL among rural elderlies. The interviews were performed, during the period from April 1st, to June 30th, 2010, to 412 elderlies in rural areas. As a results, the distribution of ADL among all subjects were 94.7% in normal-range group, and 5.3% in impaired group. In terms of IADL, 87.4% of the subjects were normal-range group, 12.6% were impaired group. The distribution of depression group among all subjects were 38.2% in normal-range group of ADL, and 90.9% in impaired group of ADL, but it was 35.8% in normal-range group of IADL, and 76.9% in impaired group of IADL. In logistic regression analysis, the adjusted odds ratio of the depression was significantly increased in impaired group of ADL than in normal-range group of ADL(OR=23.21, 95% CI=4.38~123.05). Also it was significantly increased in impaired group of IADL than in normal-range group of IADL(OR=7.76, 95% CI=2.99~20.08). In conclusion, the depression of rural elderlies was significantly increased in impaired group than in normal-range group of ADL and IADL. Thus, strategic effort needs to be prevented to depression in impaired group of ADL and IADL.

A latent profile analysis of job performance types based on task performance, contextual performance and counterproductive work behavior (과업수행, 맥락수행, 반생산적 업무행동 기반의 직무수행 유형 분석: 잠재프로파일분석을 중심으로)

  • Yoo, Young-Sam;Kim, Myoung-So;Noh, So-Yeon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.4
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    • pp.145-155
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    • 2020
  • Since Campbell (1990) proposed multidimensionality of job performance, unlike the single structure of traditional job performance, it has been largely classified as task performance, contextual performance, and counterproductive work behavior. The objective of this study is to validate the threecriteria currently considered major aspects of job performance, to identify different types of performance based on three dimensions, and to compare the power of personality factors among performance types. A total of 681 employees working at various organizations participated in an on-line survey. The survey included boththe exploratory and confirmatory factor analyses. A 3-factor job performance model consisting of three dimensions was also included. The relationships between performance dimensions and personality factors differedby dimensions of performance, supporting the validity of the 3-factor structure of performance.The results of the Latent Profile Analysis identified four types of performance: exemplary, moderately conscientious moderate, and conscientious, butlow.. The Multinomial logistic regression analysis showed each type differed significantly according to the predictors of personality variables. In conclusion, implications and limitations of the study were noted.

Impact of IPCC RCP Scenarios on Streamflow and Sediment in the Hoeya River Basin (대표농도경로 (RCP) 시나리오에 따른 회야강 유역의 미래 유출 및 유사 변화 분석)

  • Hwang, Chang Su;Choi, Chul Uong;Choi, Ji Sun
    • Journal of Korean Society for Geospatial Information Science
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    • v.22 no.3
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    • pp.11-19
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    • 2014
  • This study is analyze future climate and land cover change affects behaviors for amount of streamflow and sediment discharge within basin. We used the climate forecast data in RCP 4.5 and 8.5 (2011-2100) which is opposite view for each other among RCP scenarios that are discussed for 5th report for IPCC. Land cover map built based on a social economic storyline in RCP 4.5/8.5 using Logistic Regression model. In this study we set three scenarios: one scenario for climate change only, one for land cover change only, one for Last both climate change and land cover change. It simulated amount of streamflow and sediment discharge and the result showed a very definite change in the seasonal variation both of them. For climate change, spring and winter increased the amount of streamflow while summer and fall decreased them. Sediment showed the same pattern of change steamflow. Land cover change increases the amount of streamflow while it decreases the amount of sediment discharge, which is believed to be caused by increase of impervious Surface due to urbanization. Although land cover change less affects the amount of streamflow than climate change, it may maximize problems related to the amount of streamflow caused by climate change. Therefore, it's required to address potential influence from climate change for effective water resource management and prepare suitable measurement for water resource.

Development of Prediction Model for Prevalence of Metabolic Syndrome Using Data Mining: Korea National Health and Nutrition Examination Study (국민건강영양조사를 활용한 대사증후군 유병 예측모형 개발을 위한 융복합 연구: 데이터마이닝을 활용하여)

  • Kim, Han-Kyoul;Choi, Keun-Ho;Lim, Sung-Won;Rhee, Hyun-Sill
    • Journal of Digital Convergence
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    • v.14 no.2
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    • pp.325-332
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    • 2016
  • The purpose of this study is to investigate the attributes influencing the prevalence of metabolic syndrome and develop the prediction model for metabolic syndrome over 40-aged people from Korea Health and Nutrition Examination Study 2012. The researcher chose the attributes for prediction model through literature review. Also, we used the decision tree, logistic regression, artificial neural network of data mining algorithm through Weka 3.6. As results, social economic status factors of input attributes were ranked higher than health-related factors. Additionally, prediction model using decision tree algorithm showed finally the highest accuracy. This study suggests that, first of all, prevention and management of metabolic syndrome will be approached by aspect of social economic status and health-related factors. Also, decision tree algorithms known from other research are useful in the field of public health due to their usefulness of interpretation.

Review and Prospects on International Physical Distribution Studies of Geography in the Globtlization Era (세계화 시대의 국제물류 연구동향과 과제)

  • 한주성
    • Journal of the Economic Geographical Society of Korea
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    • v.1 no.1
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    • pp.57-74
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    • 1998
  • Recently. the interest in Physical distribution has increased in economic geography This paper aims to review and prospect the internatonal physical distribution studies of international trade and international freight flows. And it has examined the changes in methodology of international physical distribution. Author has defined international physical distribution as the physical distribution of international trade and international freight flow The results are as follows : (1) As the methodology of international physical distribution studies developes, the physical distribution should be recognized not only as transportation phenomenon but also as total logistics which is understood as the combination of production and consumption including information flow. (2) The studies about model of international physical distribution flow ill need to study regional relations including urban, in the future. And economic geography and location theory adding culture and behaviour elements will be restructured, because not only state but also multinational corporation appear as trade subject in global economy. (3) The studies for the relation of habor and its hinterland in Physical distribution need to analyze the factors causing habor use with decision-making behaviour of corporation. (4) After oil crisis. as air freight is important, the studies for hinterland and foreland of freight centering international airport are needed because of necessity of light and small freight. flexible Production system, free trade, and high speed freight transportation of freshing food and flowers and so forth.

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A Study on Family Caregivers' Preferences for Utilization of Community-based Welfare and Health-care Services (요보호 노인 부양가족의 재가복지 및 재가보건 서비스 유형별 이용의향에 관한 연구 - 2002년도 서울시 노인복지 기초수요조사 자료 분석 -)

  • Kim, Hye-Kyung
    • Korean Journal of Social Welfare
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    • v.56 no.4
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    • pp.123-147
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    • 2004
  • The purposes of this study are, 1) to explore the factors related to the family caregivers' preferences for service utilization both of the community-based welfare and health-care services, and 2) to examine the reasons why not want to use services analyzing a survey data obtained from family caregivers(n=1,000). Anderson and Newman's Behavior model was employed to examine the factors related to the preferences for service utilization. The main results are as follows. 1) Logistic regression analyses demonstrated that predisposing factor(such as age and relations with frail elderly) and enabling factor(such as economic status, secondary caregiver, informal informational support provider, etc) were significant predictor for caregivers' preference for service utilization. Contrary to an expectation, needs factor was negatively related to the preference for service. More specifically, the more they have service needs, the less they show their willingness to use community-based service both in welfare and health-care services except for care education program. 2) Caregiver identified 'family caregiving consciousness'(family should take care of frail elderly, elderly dislike be taken care of) as an important reason not want to use community services next to financial factor. These findings have several implications for policy making especially for 'public long-term care insurance' which was planned to start in 2007.

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Factors affecting family Caregivers' Preference for Utilization of Community Eldercare Services (가족부양자의 재가복지서비스 이용의사에 영향을 미치는 요인에 관한 연구)

  • Song, Da-Young
    • Korean Journal of Social Welfare
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    • v.53
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    • pp.105-128
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    • 2003
  • This study examined the factors affecting family caregiver's preference for utilization of community care services among those who are caring for 65+ elderly parents, and aimed to show how social eldercare services would be settled in Korea. Help-seeking behavior model developed by Anderson and Newman(1973) was used to analyze the factors affecting their preference for utilizing the community care service among 283 family caregivers. Frequency, Chi-square, and Multinominal logistic analysis on SAS 6.12 was used. According to the results, about 90% of the family caregivers have preference for community and institute care services. In community care service, about a half comprise the preference with charge while the other without charge. However, about 90% of those for institute care service show their willingness to pay for the service. Also, a majority of caregivers like to rely on social eldercare service, rather than family as exclusively responsible, against long-term care for their elderly parents. Multinominal analysis demonstrates that use versus nonuse of community care services is primarily affected by predisposing factors(including age, carer-caree closeness, and familism) and need factors (including economic or psychological burden of eldercare, and additional role for family care). Enabling factors, such as family income level, economic support from other family members and siblings, and supportive care-helpers, are mainly associated with the preferences of free versus charge in service use. These findings provide some implications and suggestions for the development of social eldercare services in our aging society.

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Converged Influencing Factors on the Stages of Exercise Behavior Change of Nurses in Shift Work Using Transtheoretical Model (범이론적모델을 이용한 교대근무 간호사의 운동행위 변화단계에 미치는 융합적인 영향요인)

  • Lee, Hyea-Kyung;Chung, Young-Jin
    • Journal of Convergence for Information Technology
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    • v.7 no.6
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    • pp.35-43
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    • 2017
  • The purpose of this study was to analyze the converged influencing factors on the stages of exercise behavior changes in shift work nurses. The subjects were 120 shift work nurses working in hospitals who understood the purpose of the study and agreed to participate in the study. Data were analyzed using frequency, percentage, mean, standard deviation, t-test, $X^2$ test, and multiple logistic regression analysis. The exercise motivation factors of shift work nurses had a significant effect on stages of exercise behavior change (${\beta}=2.480$, p=.022), health status perceptions(${\beta}=1.151$, p=.013). Social support factors (${\beta}=1.819$, p=.002) and marital status (${\beta}=-1.820$, p=.004) also had significant effects on the stages of exercise behavior change of shift work nurses. In other words, subjects with change in exercise behavior had 11.9 times higher motivation and 3.1 times higher health status perception than those without change in exercise behavior, social support was 6.1 times higher, and unmarried subjects showed 16 times showed higher than that of married subjects. Therefore, it is important to develop a strategy to practice continuous and regular exercise in consideration of the exercise motivation, social support, and health status perception of the nurses in shift work.