• Title/Summary/Keyword: 다항 로지스틱 분석

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Social Participation of Korean Older Persons (우리나라 노인의 사회참여 유형분석)

  • Lee, So-Chung
    • Korea journal of population studies
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    • v.32 no.1
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    • pp.71-91
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    • 2009
  • One of the most fundamental problems an ageing society faces is the role deprivation and social isolation of older persons. In this respect, restoring the roles and social status of older persons by promoting their social participation is considered crucial to enhancing their quality of life. From such viewpoint, this study aims at analyzing the social participation of older persons from an actor-oriented perspective. To do so, this study classifies various social participatory activities into representative activity types and analyzes the socio-demographic determinants of each activity types. The findings show that the participatory activities of Korean older persons could be classified into four types : volunteer-focused, religion-focused, occupation-focused and kyungrodang-focused social participation. Also, it has been found that the determinants of each social participation types, including the non-participatory type, differs according to the socio-demographic condition of each older person, thus indicating that differentiated policy measure is required to enhance the activites of Korean older persons.

A Study on Activity Type Based on Multi-dimensional Characteristics (개인의 복합적인 특성에 따른 활동유형 분석)

  • Na, Sung Yong;Lee, Seungjae;Kim, Joo Young
    • Journal of Korean Society of Transportation
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    • v.32 no.5
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    • pp.544-553
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    • 2014
  • Activity-based models analyze individuals' various daily activities that are identified as a decision-making unit for transportation planning. In other words, it is the model that determines the types of activities according to the social, economic and situational characteristics of the groups with the same activity patterns and predicts individuals' activity time, distance, spatial movement and transportation mode. The activity-based model is a method of estimating more efficient and realistic demand in transportation forecasting because traffic is regarded as a complex decision-making process that an individual and other people participate in. In this paper, we grasp the factors affecting choice behavior of activity pattern and analyze choice behavior of activity pattern based on multi-dimensional characteristic of each person. First, we classify activity types of reviewing the trip chain and activity purpose. Next, we identified preferable activity types using complicated characteristics of main agent of activity. We concluded that choice behavior of activity pattern is dependent on complex characteristics of each agent, and further multi-dimensional characteristics of each person are affected over the whole decision process of activity schedule.

Comparison of the activities of daily living and sleep according to the presence depression in the elderly (노인의 우울유무에 따른 일상생활수행능력과 수면의 비교)

  • Jung, Eun-Sook;Jeon, Mi-Kyung
    • Journal of Digital Convergence
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    • v.11 no.1
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    • pp.289-297
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    • 2013
  • The destination of this study is a convenience sample of 301 people age 65 and older to use each one elderly welfare center D, M received a structured questionnaire for one-on-one interviews with the subjects to read all the questions and questionnaire was written. The depressed group and the normal group, identify the general characteristics, the ADL, and sleep, and the difference between the two groups, and relative risk were analyzed. The results of the study are as follows: Showed depressed group compared to normal group was the low level of ability to perform daily living, sleep well, not more than the ability to perform daily living, dressing, bowel and bladder management, and complained of the difficulty to perform instrumental activities of daily living ability of grooming, more difficult to appeal to public transportation, shopping. In conclusion, elderly health promotion strategy when you want to take into account whether or not the depression of the elderly will require the development of a variety of education and physical activity programs, and suggest the need for expanded research to determine the effectiveness.

A Study on the Correlation between Effective Impact Speed and the Severity of Collision Accidents with Fishing Vessels (유효충돌속도에 따른 어선 충돌사고 피해 상관성에 관한 연구)

  • Hyungoo Park;Young-Soo Park;Sang-Won Park
    • Journal of Navigation and Port Research
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    • v.47 no.4
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    • pp.202-211
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    • 2023
  • In maritime accidents, collisions involving fishing vessels are more frequent and severe than those involving other types of vessels. Previous cases of collision accidents caused by fishing vessels causing serious damage implied that fishing vessels maintained high speeds until just before the collision and that they collided with much larger vessels. This study investigated the correlation between the severity of ship damage resulting from fishing vessel collisions and the vessel's speed. The effective impact speed commonly used in the road transport sector was utilized to analyze ship collision accidents. The study collected collision data between fishing vessels and between fishing vessels and non-fishing vessels from accident investigation reports from 2016 to 2022. The effective impact speed was calculated for a total of 617 vessels. After using binary and multinomial logistic regression methodology, the analysis was carried out with effective impact speed as the independent variable and severity of accident as the dependent variable. The analysis revealed a statistically significant correlation between the effective impact speed and the severity of ship damage, indicating that the severity of ship damage is influenced not only by the effective impact speed but also by the tonnage of the vessel.

Residential Choice and Mobility of Korean Babyboomer after Retirement (한국 베이비붐세대의 은퇴 후 주거 선택과 이동 특성)

  • Lim, Ki-Heung;Baek, Sungjoon
    • The Journal of the Korea Contents Association
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    • v.14 no.11
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    • pp.438-449
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    • 2014
  • This paper is aimed to study on residential choice after retirement. For this reason, this study is analyzed in three aspects ; the factors of residential choice, preferred house types and scales, the characterization of residential mobility. This study reached several conclusions. Firstly, Korea baby boomers are likely to select their residence with different factors after retirement, and they are likely to choose their residence in the view of comfort and convenience. Secondly, apartment resident ratio is shown to be reduced after retirement, and the preference for the country houses and town houses is shown to be increased. Thirdly, the baby boomers don't reduce their residential scale in batches, while they are to show a different appearance depending on the retention scale of housing. Fourthly, The 62.4% of Korean baby boomers is to plan move their residences after retirement, 52.3% of movers, more than half of them, is to go to the different residential area. Fifth, it is analyzed that different variables are to influence on the local and regional of residential mobility of the baby boomers in Korea.

The Effect of Social Participation on Cognitive Impairment Degree among Korean Older Adults: Comparative Study between Urban and Rural Area (사회참여활동이 고령자 인지기능 손상 정도에 미치는 영향: 도시와 농촌 간 차이 분석)

  • Kang, Joo Young
    • The Journal of the Korea Contents Association
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    • v.20 no.10
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    • pp.326-337
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    • 2020
  • The purpose of this study is to analyze the effect of social participation types on cognitive impairment degree(normal, mild, severe cognitive function) by urban and rural difference. The research was performed by multinomial logistic regression with the data of elderly 5,668 over 55 years of age from the sixth wave(2016) and the seventh wave(2018) of the Korean Longitudinal Study of Ageing. Results show that social participation reduces the risk of cognitive impairment on both urban and rural older adults regardless of types, but the types of social participation, which are effective to reduce the risk of cognitive impairment, are different between urban and rural area. According to residential area, types of social participation, which are effective to decline the risk of being mild or severe cognitive impairment and the risk of being severe cognitive impairment relative to mild, are different. These findings suggest that, in order to prevent cognitive impairment and reduce the severity, social participation is strongly recommended and appropriate supports are required. This implies policy and intervention efforts considering the urban and rural difference are needed.

Identification of Latent Classes of Adolescent's Health Condition and Verification the effects of Social Capital : Comparison of Intact Families and Single Parent families (청소년 건강에 대한 잠재계층 분류 및 사회자본의 영향 검증 : 양부모가정과 한부모가정의 비교를 통하여)

  • Chun, JeeWon;Kim, Kyoung-A
    • Journal of Digital Convergence
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    • v.16 no.6
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    • pp.385-397
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    • 2018
  • This study used latent class analysis to identify heterogeneous subgroups with respect to health condition among adolescents. We also examined associations between latent classes and verified to determine how the patterns of health condition relate to social capital. This study used data from Korean Survey on the Rights of Children and Youth in 2015, which consists of 6,912 from middle and high school students. The findings are as follows. Latent class analysis revealed a three-class solution. Results indicated that family social capital and school capital significantly verified to the above latent classes all family type. But, community social capital not significantly predicted to the above latent classes only single parent families. Policy implications for improving the health condition of adolescents are discussed.

Korean Fashion Firms' Entry into Foreign Markets: Empirical Analysis of Determinants of their Choice of Foreign Direct Investment Modes (한국 패션기업의 해외시장 진입방식 연구: 해외직접투자 유형의 결정요인 분석을 중심으로)

  • Kim, Hye-Yeong;Ra, Won-Chan
    • Korea Trade Review
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    • v.42 no.1
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    • pp.189-215
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    • 2017
  • This study analyzes the determinants of the choice of foreign direct investment mode by Korean fashion firms in entering into foreign markets. We have established hypotheses regarding their choice among three classical entry modes including a wholly-owned subsidiary, a joint venture and an M&A based on factors such as the investing firm's size, international experience and international strategy type, host market potentials, cultural distance and foreign investment risk. By conducting multiple logistic regression over secondary data on 100 Korean fashion firms, we found that all variables but cultural distance were statistically significant. The results may contribute to advancing international business theory on the fashion industry and developing fashion firms' global strategy.

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Change Prediction of Forestland Area in South Korea using Multinomial Logistic Regression Model (다항 로지스틱 회귀모형을 이용한 우리나라 산지면적 변화 추정에 관한 연구)

  • KWAK, Doo-Ahn
    • Journal of the Korean Association of Geographic Information Studies
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    • v.23 no.4
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    • pp.42-51
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    • 2020
  • This study was performed to support the 6th forest basic planning by Korea Forest Service as predicting the change of forestland area by the transition of land use type in the future over 35 years in South Korea. It is very important to analyze upcoming forestland area change for future forest planning because forestland plays a basic role to predict forest resources change for afforestation, production and management in the future. Therefore, the transitional interaction between land use types in future of South Korea was predicted in this study using econometrical models based on past trend data of land use type and related variables. The econometrical model based on maximum discounted profits theory for land use type determination was used to estimate total quantitative change by forestland, agricultural land and urban area at national scale using explanatory variables such as forestry value added, agricultural income and population during over 46 years. In result, it was analyzed that forestland area would decrease continuously at approximately 29,000 ha by 2027 while urban area increases in South Korea. However, it was predicted that the forestland area would be started to increase gradually at 170,000 ha by 2050 because urban area was reduced according to population decrement from 2032 in South Korea. We could find out that the increment of forestland would be attributed to social problems such as urban hollowing and localities extinction phenomenon by steep decrement of population from 2032. The decrement and increment of forestland by unbalanced population immigration to major cities and migration to localities might cause many social and economic problems against national sustainable development, so that future strategies and policies for forestland should be established considering such future change trends of land use type for balanced development and reasonable forestland use and conservation.

Predicting Healthy Lifestyle Patterns in Older Community Dwelling Adults: A Latent Profile Analysis (잠재프로파일 분석을 활용한 한국 노인 라이프스타일 유형화와 영향요인 분석)

  • Park, Kang-Hyun;Yang, Min Ah;Won, Kyung-A;Park, Ji-Hyuk
    • Therapeutic Science for Rehabilitation
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    • v.10 no.2
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    • pp.75-93
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    • 2021
  • Objective : The aim of this study was to identify subgroups of older adults with respect to their lifestyle patterns and examine the characteristics of each subgroup in order to provide a basic evidence for improving the health and quality of life. Methods : This cross-sectional study was conducted in South Korea. Community-dwelling older adults (n=184) above the age of 65 years were surveyed from April 2019 to May 2019. This study used latent profile analysis to examine the subgroups. Chi-squared (χ2) and multinomial logistic regression measures were then used to analyze individual characteristics and influencing factors. Results : The pattern of physical activity which is one of the lifestyle domains in elderly was categorized into three types: 'passive exercise type (31.1%)', 'low intensity exercise type (54.5%)', and 'balanced exercise type(14.5%)'. Activity participation was divided into three patterns: 'inactive type (12%)', 'self-management type (61%)', and 'balanced activity participation type (27%)'. In terms of nutrition, there were only two groups: 'overall malnutrition type (13.5%)' and 'balanced nutrition type (86.5%)'. Furthermore, as a result of the multinomial logistic regression analysis to understand the effects of lifestyle types on the health and quality of life of the elderly, it was confirmed that the health and quality of life were higher in those following an active and balanced lifestyle. In addition, gender, education level and residential area were analyzed as predictive factors. Conclusion : The health and quality of life of the elderly can be improved when they have balanced lifestyle. Therefore, an empirical and policy intervention strategy should be developed and implemented to enhance the health and quality of life of the elderly.