• Title/Summary/Keyword: Resilience index

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The Effect of Symptom Experience and Resilience on Quality of Life in Patients with Colorectal Cancers (대장암 환자의 증상경험과 극복력이 삶의 질에 미치는 효과)

  • Choi, Kyung-Sook;Park, Jung-Ae;Lee, Joo-Hyun
    • Asian Oncology Nursing
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    • v.12 no.1
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    • pp.61-68
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    • 2012
  • Purpose: This study aimed to investigate the influence of resilience and symptom experience on quality of life. Methods: Seventy five patients in an active treatment stage were recruited from 2 hospitals between October and December 2010. A survey including perceived health status, physical functional status, the symptom experience index, resilience, and the functional assessment of cancer therapy-colorectal (FACT-C) was completed. Results: The level of FACT-C was 86.61 (${\pm}18.91$), which was higher than for patients with colostomy, but lower than for patients in a rehabilitation stage. Participants without physical functional limitations showed higher level of both resilience and quality of life. Participants with bad health status showed a lower level of both resilience and quality of life and higher level of symptom experience. The quality of life was related to the level of resilience (${\beta}$=.373), symptom experience (${\beta}$=-.292), and perceived health status (${\beta}$=-3.961). Conclusion: Proactive nursing approaches to manage symptoms and to improve perceived health status would enhance the quality of life of colorectal cancer patients. Furthermore, various strategies to strengthen the level of resilience should be developed.

Development and assessment of water management resilience of mid-small scale tributaries (지류 중소하천의 물관리 탄력성 평가지수 개발 및 평가)

  • Park, Jung Eun;Lee, Eul Rae;Lim, Kwang Suop
    • Journal of Korea Water Resources Association
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    • v.49 no.2
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    • pp.95-106
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    • 2016
  • Water Management Resilience Index (WMRI) was developed as a policy measure of adaptability to withstand water stresses and to set up water management strategies mainly in mid-small scale tributaries, and then evaluated on 117 sub-basins in South Korea. The index consists of 3 sub-indices such as vulnerability, robustness and redundancy sub-indices, each including indicators of 3 sectors: water use, flood mitigation, and river environment. Total number of indicators selected for the index was 31. Taking into account the stream order and control capability of river flow discharge, sub-basins were categorized into 3: 1 for mainstreams of lower large dams, 2 and 3 for tributaries, respectively without and with flow discharge regulation. As a result of the evaluation, resilience index scores in Category 2 and 3 are much lower than that of Category 1, especially with very poor score of redundancy. Although there was no significant difference between mainstream and tributaries in vulnerability and robustness sub-indices, results of redundancy sub-index in tributaries were lower than those in mainstream. Thus, it is conceived that the variety of water management schemes should be considered to improve their resilience in the face of future uncertainty. Addressing comprehensive stability of river basin against internal and external impacts, WMRI in this study can also be used for the prioritization of water management plans.

Correlation analysis between energy indices and source-to-node shortest pathway of water distribution network (상수도관망 수원-절점 최소거리와 에너지 지표 상관성 분석)

  • Lee, Seungyub;Jung, Donghwi
    • Journal of Korea Water Resources Association
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    • v.51 no.11
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    • pp.989-998
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    • 2018
  • Connectivity between water source and demand node can be served as a critical system performance indicator of the degree of water distribution network (WDN)' failure severity under abnormal conditions. Graph theory-based approaches have been widely applied to quantify the connectivity due to WDN's graph-like topological feature. However, most previous studies used undirected-unweighted graph theory which is not proper to WDN. In this study, the directed-weighted graph theory was applied for WDN connectivity analyses. We also proposed novel connectivity indicators, Source-to-Node Shortest Pathway (SNSP) and SNSP-Degree (SNSP-D) which is an inverse of the SNSP value, that does not require complicate hydraulic simulation of a WDN of interest. The proposed SNSP-D index was demonstrated in total 42 networks in J City, South Korea in which Pearson Correlation Coefficient (PCC) between the proposed SNSP-D and four other system performance indicators was computed: three resilience indexes and an energy efficiency metric. It was confirmed that a system representative value of the SNSP-D has strong correlation with all resilience and energy efficiency indexes (PCC = 0.87 on average). Especially, PCC was higher than 0.93 with modified resilience index (MRI) and energy efficiency indicator. In addition, a multiple linear regression analysis was performed to identify the system hydraulic characteristic factors that affect the correlation between SNSP-D and other system performance indicators. The proposed SNSP is expected to be served as a useful surrogate measure of resilience and/or energy efficiency indexes in practice.

Analysis of Flood Resilience of the Stormwater Management Using SWMM Model (SWMM 모델을 이용한 우수 관리 홍수 탄력성 분석)

  • Hwang, Soonho;Kim, Jaekyoung;Kang, Junsuk
    • Proceedings of the Korea Water Resources Association Conference
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    • 2021.06a
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    • pp.126-126
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    • 2021
  • Stormwater reduction plays an important role in the safety and resilience to flooding in urban areas. Due to rapid climate change, the world is experiencing abnormal climate phenomena, and sudden floods and concentrated torrential rains are frequently occurring in urban basins and the amount of outflow due to stormwater increases. In addition, the damage caused by urban flooding and inundation due to extreme rainfall exceeding the events that occurred in the past increases. To solve this problem, water supply, drainage, and water supply for sustainable urban development, the water management paradigm is shifting from sewage maintenance to water circulation and water-sensitive cities. So, in this study, The purpose of this study is to examine measures to increase the resilience of urban ecosystem systems for urban excellence reduction by analyzing the effects of green infra structures and LID techniques and evaluating changes in resilience. In this study, for simulating and analysis of runoff for various stormwater patterns and LID applications, Storm Water Management Model (SWMM) was used.

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A menopausal transition model based on transition theory (이행이론을 기반으로 한 폐경이행모형)

  • Kim, Jisoon;Ahn, Sukhee
    • Women's Health Nursing
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    • v.28 no.3
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    • pp.210-221
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    • 2022
  • Purpose: The purpose of this study was to construct a hypothetical model based on Meleis and colleagues' Transition Theory and a literature review to explain women's menopausal transition, constructing a modified model considering previous studies and model fit and testing the effects between variables. Methods: With a correlational survey design, middle-aged Korean women aged 40 to 64 years who had experienced menopausal symptoms were recruited and filled out a self-administered study questionnaire. Measures included menopausal symptoms, resilience, social support, menopause management, menopause adaptation, and quality of life. The data were analyzed using SPSS 24.0 and AMOS 24.0. Results: The model fit indices were considered acceptable: 𝛘2/degree of freedom=2.93, standardized root mean residual=.07, comparative fit index=.90, and parsimonious normed fit index=.73. All eight direct-effect paths-from menopausal symptoms to support and adaptation, from support to adaptation and resilience, from resilience to adaptation and management, from management to quality of life, and from adaptation to quality of life-were significant. The explanatory power of the menopause transition model was 63.6%. Conclusion: Women who experience menopausal symptoms may be able to maintain and improve their quality of life if menopause management and menopause adaptation are successful through resilience and social support. Future research is needed to confirm whether strengthening facilitation as a nursing intervention strategy may promote healthy response patterns.

Health-related quality of life in female patients with reumatoid arthritis: a structural equation model (여성 류마티스 관절염 환자의 건강관련 삶의 질 구조모형)

  • Bukyung Kim;Mi-Hae Sung
    • Women's Health Nursing
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    • v.29 no.2
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    • pp.91-103
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    • 2023
  • Purpose: This study aimed to construct a structural equation model to explain and predict factors affecting the health-related quality of life (QoL) in female rheumatoid arthritis (RA) patients based on the health-related QoL model by Ferrans et al. (2005) and a literature review. Methods: Patients (N=243) who were either registered members of an internet cafe composed of patients with RA or rheumatology outpatients at two tertiary general hospitals in Busan, Korea, were recruited via convenience sampling. Data were collected from July 2 to September 9, 2021, and the survey was conducted using a web-based questionnaire. The data were analyzed by SPSS and AMOS 26.0. Results: The goodness-of-fit statistics of the final model exhibited good results (χ2/degree of freedom=2.68, Turker-Lewis index=.94, comparative fit index=.96, standardized root mean-squared residual=.04, root mean- square error of approximation=.08), and 11 out of 14 paths of the model were supported. The squared multiple correlation, which reflected the explanatory power of the environmental characteristics, symptoms, functional status, and perceived health status on health-related QoL, was 80%. In the hypothesis model, 10 paths had significant direct effects, 6 paths had significant indirect effects, and 12 paths had significant total (direct and indirect) effects. Conclusion: Considering that factors directly affecting the health-related QoL of female patients with RA were social support, symptoms (fatigue and depression), resilience, and perceived health status, and that resilience was the most influential factor, clinicians can encourage resilience. Hence, to improve the health-related QoL of female patients with RA, continuing management is necessary, using various intervention methods that focus on enhancing resilience from the early stage to the end of treatment for RA.

Analysis of Drought Characteristics in Gyeongbuk Based on the Duration of Standard Precipitation Index

  • Ahn, Seung Seop;Park, Ki bum;Yim, Dong Hee
    • Journal of Environmental Science International
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    • v.28 no.10
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    • pp.863-872
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    • 2019
  • Using the Standard Precipitation Index (SPI), this study analyzed the drought characteristics of ten weather stations in Gyeongbuk, South Korea, that precipitation data over a period of 30 years. For the number of months that had a SPI of -1.0 or less, the drought occurrence index was calculated and a maximum shortage months, resilience and vulnerability in each weather station were analyzed. According to the analysis, in terms of vulnerability, the weather stations with acute short-term drought were Andong, Bonghwa, Moongyeong, and Gumi. The weather stations with acute medium-term drought were Daegu and Uljin. Finally the weather stations with acute long-term drought were Pohang, Youngdeok, and Youngju. In terms of severe drought frequency, the stations with relatively high frequency of mid-term droughts were Andong, Bonghwa, Daegu, Uiseong, Uljin, and Youngju. Gumi station had high frequency of short-term droughts. Pohang station had severe short-term ad long-term droughts. Youngdeok had severe droughts during all the terms. Based on the analysis results, it is inferred that the size of the drought should be evaluated depending on how serious vulnerability, resilience, and drought index are. Through proper evaluation of drought, it is possible to take systematic measures for the duration of the drought.

Water Supply Alternatives for Drought by Weather Scenarios Considering Resilience: Focusing on Naju Reservoir (회복탄력성을 고려한 기상 시나리오별 가뭄 용수 공급방안: 나주호를 중심으로)

  • Park, JinHyun;Go, JeaHan;Jo, YoungJun;Jung, KyungHun;Sung, MuHong;Jung, HyoungMo;Park, HyunKyu;Yoo, SeungHwan;Yoon, KwangSik
    • Journal of The Korean Society of Agricultural Engineers
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    • v.60 no.5
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    • pp.115-124
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    • 2018
  • Resilience has been widely used in various fields including design and operation of infrastructures. The resilient infrastructures not only reduce the damage scale of various disasters but also reduce the time and cost required for restoration. However, resilience rarely applied to promote efficient management of agricultural infrastructures. Recently, drought is an aggravating disaster by climate change and need countermeasures. Therefore, we tried to demonstrate evaluating measures in case of drought under consideration of resilience. This study applied the robustness-cost index (RCI) to evaluate alternative solution of the supply problem of a large agricultural reservoir under drought conditions. Four structural alternatives were selected to estimate the robustness index (RI) and the cost index (CI) to obtain the RCI values. Structural alternatives are classified into temporary measures and permanent measures. Temporary measures include the development of a tube wells and the installation of the portable pump, while the permanent measures include the installation of a pumping stations and the pumping water to the reservoir (Yeongsan River-Naju reservoir). RCI values were higher in permanent measures than those of temporary measures. Initial storage of the reservoir also affected RCI values of the drought measures. Permanent measures installation and management of early stage of the reservoir storage shortage was identified as the most resilient system.

A Study on the Vulnerability Assessment for Agricultural Infrastructure using Principal Component Analysis (주성분 분석을 이용한 농업생산기반의 재해 취약성 평가에 관한 연구)

  • Kim, Sung Jae;Kim, Sung Min;Kim, Sang Min
    • Journal of The Korean Society of Agricultural Engineers
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    • v.55 no.1
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    • pp.31-38
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    • 2013
  • The purpose of this study was to evaluate climate change vulnerability over the agricultural infrastructure in terms of flood and drought using principal component analysis. Vulnerability was assessed using vulnerability resilience index (VRI) which combines climate exposure, sensitivity, and adaptive capacity. Ten flood proxy variables and six drought proxy variables for the vulnerability assessment were selected by opinions of researchers and experts. The statistical data on 16 proxy variables for the local governments (Si, Do) were collected. To identify major variables and to explain the trend in whole data set, principal component analysis (PCA) was conducted. The result of PCA showed that the first 3 principal components explained approximately 83 % and 89 % of the total variance for the flood and drought, respectively. VRI assessment for the local governments based on the PCA results indicated that provinces where having the relatively large cultivation areas were categorized as vulnerable to climate change.

Effects of Social Support, Ego-resilience, and Subjective Wellbeing on Suicidal Ideation in Nursing Students (간호대학생의 사회적 지지, 자아탄력성, 주관적 안녕감이 자살생각에 미치는 영향)

  • Park, Soonjoo;Bak, Eunyeong;Lee, Songiee;Jang, Ahhyun;Cho, Seowon
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.23 no.3
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    • pp.310-319
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    • 2016
  • Purpose: This study was done to examine whether risk of suicidal ideation in nursing students as related to social support and ego-resilience, and whether subjective wellbeing mediated the relationships. Methods: Structural equation modeling was applied to test the model in which ego-resilience and social support from family, friends, and others were considered as exogenous variables and subjective wellbeing as a mediating variable. The participants were 285 nursing students who completed self-report measures including the Suicidal Ideation Questionnaire, the Multidimensional Scale of Perceived Social Support, the Ego-Resiliency Scale, and the Index of Wellbeing. Results: Results show that higher scores on family support and ego-resilience were positively associated with subjective wellbeing and negatively with suicidal ideation. Subjective wellbeing mediated the relationships between family support and suicidal ideation, and also ego-resilience and suicidal ideation. Among the three social supports, only family social support had both direct and indirect effects on suicidal ideation. Conclusion: Findings suggest that family support is a useful resource in the prevention of suicidal ideation in nursing students and building supportive relationship with family should be considered as the first step in suicide prevention strategies. Also enhancing ego-resilience could play an important role to reduce suicide risk through promoting well-being.