• 제목/요약/키워드: Z-R Relationship

검색결과 147건 처리시간 0.025초

알코올 교육 프로그램이 음주문제를 가진 노인의 음주관련 지식과 행동에 미치는 효과 (The Effect of an Alcohol Education Program on Behavior Related Drinking by the Elderly with Drinking Problems)

  • 오숙희;선정주
    • 한국보건간호학회지
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    • 제23권1호
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    • pp.17-26
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    • 2009
  • Purpose: In this study, the effects of an alcohol education program for elderly persons with drinking problems and the effects of knowledge of the behavior associated with alcohol use by elderly individuals with drinking problems were evaluated. Method: A single-group repeated study was conducted to evaluate 19 elderly individuals with drinking problems who used the G-city Elderly Welfare Center, with more than eight points in AUDIT results. The changes in drinking knowledge and alcohol behavior following an alcohol education program were evaluated. The effectiveness of the program was analyzed by a Wilcoxon signed rank test. and the relationship between drinking knowledge and changes in alcohol behavior was measured by Spearman's rank correlation coefficient. Results: The results indicated that drinking knowledge after conducting education increased significantly(Z=-3.826, p<.001), and that this increased knowledge resulted in significant changes in alcohol behavior(Z=-3.830, p<.001). There was a significantly positive relationship between drinking knowledge and changes in alcohol behavior(r=.464, p=0.013). Conclusion: Alcohol education programs effectively educate the elderly with drinking problems regarding alcohol, which influences their alcohol behavior.

간호대학생의 임상실습스트레스와 소진과의 관계에서 공감의 매개효과 (Clinical Practice Stress and Burnout in Nursing Students: The Mediating Effect of Empathy)

  • 송영숙
    • 한국간호교육학회지
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    • 제24권4호
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    • pp.406-414
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    • 2018
  • Purpose: The purpose of this paper was to examine the relationships between clinical practice stress and burnout, and the mediating role of empathy in nursing students. Methods: A cross-sectional research design was employed. One hundred seventeen nursing students completed questionnaires on clinical practice stress, empathy (perspective-taking, fantasy, empathic concern and personal distress) and burnout in December 2017. IBM SPSS Statistics 23 was used and descriptive statistics, frequency, Pearson correlation coefficient and multiple regression were conducted. Baron & Kenny method and Sobel test were adopted for analysis of the mediation effect (personal distress of empathy). Results: The mean scores of clinical practice stress and burnout were 3.45 and 43.09, and perspective-taking, fantasy, empathic concern and personal distress of empathy were 2.67, 2.42, 2.64 and 2.19, respectively. The highest relationship between clinical practice stress and empathy was personal distress of empathy (r=.32, p<.001). Burnout was positively associated with clinical practice stress and personal distress of empathy (r=.22, p=.015; r=.51, p<.001). Personal distress of empathy demonstrated a complete mediating effect on the relationship between clinical practice stress and burnout (Z=3.22, p=.001). Conclusion: These results showed that decreasing personal distress of empathy is important for nursing students, and may help in reducing clinical practice stress and burnout.

간호·간병통합서비스 병동간호사의 역할갈등이 직무만족에 미치는 영향: 회복탄력성의 조절 및 매개효과 (Effect of Role Conflict on Job Satisfaction by Comprehensive Nursing Care Service Ward Nurse: Moderating and Mediating Effect of Resilience)

  • 이소희;설로마;김민혜
    • 중환자간호학회지
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    • 제14권3호
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    • pp.50-61
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    • 2021
  • Purpose : This study aimed to identify the moderating and mediating effects of resilience on the relationship between role conflict and job satisfaction among nurses working in a comprehensive nursing care service ward. Methods : Participants were 130 comprehensive nursing care service ward nurses from four hospitals. Data were collected using structured questionnaires and analyzed by t-test, ANOVA, Scheffe test, Pearson correlation coefficients, and hierarchical multiple regression analysis, using SPSS 25.0. The mediating effect of resilience on the relationship between role conflict and job satisfaction was analyzed using multiple regression analysis according to Baron and Kenny's procedure. Results : Statistically significant negative correlations were found between role conflict and resilience (r=-.25, p<.007) and between role conflict and job satisfaction (r=-.38, p<.001). A significant positive correlation was found between resilience and job satisfaction (r=.54, p<.001). A partial mediating effect of resilience was found between role conflict and job satisfaction (Z=-2.53, p=.012) but no moderating effect was found. Conclusion : To improve the job satisfaction of comprehensive nursing care service ward nurses, interventions for alleviating role conflict and improving resilience as well as evaluations of the two variables are necessary.

간호대학생의 그릿과 학습몰입과의 관계에서 낙관성의 매개효과 (The mediating effect of optimism between grit and learning flow of nursing students)

  • 김영숙;이경숙
    • 한국간호교육학회지
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    • 제27권2호
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    • pp.144-151
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    • 2021
  • Purpose: The purpose of this study was to investigate the mediating effect of optimism on the relationship between grit and learning flow in nursing college students. Methods: Structured self-reported questionnaires were used to measure grit, optimism and learning flow. The study was conducted on 200 nursing students in P, U and J cities between September 1 and September 20, 2020. The data were analyzed using a t-test, one-way ANOVA, Pearson's correlation coefficients and hierarchical multiple linear regression with SPSS/WIN 23.0. Results: Significant relationships were found between learning flow and grit (r=.60, p<.001), between learning flow and optimism (r=.42, p<.001), and between grit and optimism (r=.42, p<.001). Additionally, optimism had a partial mediating effect on the relationship between grit and learning flow (Z=3.11, p<.001). Conclusion: These results indicate that interventions to increase the level of grit along with optimism is necessary in order to increase the level of nursing college students' learning flow.

간호대학생의 미디어리터러시와 학습민첩성의 관계에서 셀프리더십의 매개효과: 코로나19 팬데믹 시기 온라인수업 경험자 중심 (The mediating effect of self-leadership on the media literacy and learning agility of nursing students based on the experiences of online classes during the COVID-19 pandemic)

  • 김영선;이현주
    • 한국간호교육학회지
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    • 제27권4호
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    • pp.359-368
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    • 2021
  • Purpose: The purpose of this study was to investigate the mediating effect of self-leadership on the relationship between media literacy and learning agility in nursing students based on their experiences in online classes during the Coronavirus Disease-19 pandemic. Methods: A descriptive survey was conducted among 165 nursing students from four universities in Busan. Data were collected from June 2 to 13, 2021, and was analyzed using a t-test, one-way ANOVA, Pearson's correlation coefficients, and stepwise multiple regression with SPSS/WIN 26.0. Results: Significant relationships were found between learning agility and media literacy (r=.62, p<.001), between learning agility and self-leadership (r=.58, p<.001), and between media literacy and self-leadership (r=.53, p<.001). Additionally, self-leadership had a partial mediating effect on the relationship between media literacy and learning agility (Z=4.30, p<.001); its explanatory power was 46.0%. Conclusion: These results indicate that interventions to increase the level of media literacy, along with self-leadership, are necessary to improve the level of learning agility of nursing students who will be essential human resources in a rapidly changing healthcare field.

RASSF1A Gene Methylation is Associated with Nasopharyngeal Carcinoma Risk in Chinese

  • Wu, Kun;Xu, Xiao-Ning;Chen, Yu;Pu, Xiao-Lin;Wang, Bo-Yuan;Tang, Xiao-Dan
    • Asian Pacific Journal of Cancer Prevention
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    • 제16권6호
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    • pp.2283-2287
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    • 2015
  • In order to explore the association between RASSF1A methylation and nasopharyngeal carcinoma (NPC) risk of Chinese, we carried out a meta-analysis with searches of PubMed, Web of Science, ProQest and Medline databases. Ultimately, 14 articles were identified and analysised using R Software (R version 3.1.2) including meta packages. Overall, we found a significant relationship between RASSF1A methylation and NPC risk (OR 30.7; 95 % CI, 16.71~56.23; z=11.0591; p<0.0001) in a fixed effects model and (OR 32.1; 95% CI, 14.27~72.01; z=8.3984; p<0.0001) in a random effects model pooled. In tissue and NP brushings groups, similar results were found. Hence, our study identified a strong association between RASSF1A methylation and NPC and highlighted a promising potential for RASSF1A methylation in NPC risk prediction of Chinese.

목표 강우량에 대한 강우추정 관계식의 매개변수 추정 (Parameter estimation of Z-R relationship focusing on the target rainfall)

  • 강민석;나우영;김길도;유철상
    • 한국수자원학회:학술대회논문집
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    • 한국수자원학회 2019년도 학술발표회
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    • pp.180-180
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    • 2019
  • 본 연구의 목표는 돌발홍수 예 경보시스템(Flash Flood Warning System, FFWS)의 효용성 극대화를 위한 레이더 자료의 품질향상 기법을 개발하는 것이다. 지금까지 사용되어온 레이더 자료의 품질향상 기법들은 모두 자료의 평균값에 맞추어져 개발되었다. 그러나 돌발홍수 예 경보시스템에서 사용되는 강우강도 임계값은 평균값과 큰 차이가 난다. 따라서 레이더 자료를 이용하여 추정하는 큰 강우강도의 신뢰도는 떨어지게 된다. 이에 본 연구에서는 돌발홍수 예 경보시스템에 사용되는 목표 강우량에 대한 강우추정 관계식의 매개변수 추정 기법을 개발하고자 한다. 이를 위해 비슬산 레이더 반사도 자료와 비슬산 레이더 관측반경 내 위치한 AWS 지점의 강우자료를 이용하였다. 먼저, 강수입자분포(Drop Size Distribution, DSD)를 지수분포로 가정하여 유도한 레이더 강우추정 관계식을 재검토하였다. 다음으로 관측된 비슬산 레이더 반사도 자료를 10dBZ 단위로 구분하여 레이더 반사도 구간별로 레이더 반사도 자료와 강우자료 쌍에 대한 DSD 매개변수를 산정하였다. DSD 매개변수를 산정하기 위해 비슬산 레이더 반사도 자료와 AWS 지점의 강우자료를 지수분포로 가정하여 유도한 강우추정 관계식에 적용하였다. 다음으로 목표 강우량에 대한 강우추정 관계식의 매개변수 추정을 위해 레이더 반사도 구간별로 DSD 매개변수의 대푯값을 결정하였다. 마지막으로 지수분포로 가정하여 유도한 레이더 강우추정 관계식에 레이더 반사도 구간별 DSD 매개변수의 대푯값을 적용함으로써 목표 강우량에 대한 강우추정 관계식의 매개변수를 추정하였다.

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Radar Quantitative Precipitation Estimation using Long Short-Term Memory Networks

  • Thi, Linh Dinh;Yoon, Seong-Sim;Bae, Deg-Hyo
    • 한국수자원학회:학술대회논문집
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    • 한국수자원학회 2020년도 학술발표회
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    • pp.183-183
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    • 2020
  • Accurate quantitative precipitation estimation plays an important role in hydrological modelling and prediction. Instantaneous quantitative precipitation estimation (QPE) by utilizing the weather radar data is a great applicability for operational hydrology in a catchment. Previously, regression technique performed between reflectivity (Z) and rain intensity (R) is used commonly to obtain radar QPEs. A novel, recent approaching method which might be applied in hydrological area for QPE is Long Short-Term Memory (LSTM) Networks. LSTM networks is a development and evolution of Recurrent Neuron Networks (RNNs) method that overcomes the limited memory capacity of RNNs and allows learning of long-term input-output dependencies. The advantages of LSTM compare to RNN technique is proven by previous works. In this study, LSTM networks is used to estimate the quantitative precipitation from weather radar for an urban catchment in South Korea. Radar information and rain-gauge data are used to evaluate and verify the estimation. The estimation results figure out that LSTM approaching method shows the accuracy and outperformance compared to Z-R relationship method. This study gives us the high potential of LSTM and its applications in urban hydrology.

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Phylogeographic Messages Encoded in the rDNA of the Commercial Mushroom Zhenghonggu@ From Fujian, China

  • Chen, Yu H.;Chen, Peng D.;Chen, Liu Y.;Ma, Li Z.
    • 한국균학회소식:학술대회논문집
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    • 한국균학회 2014년도 춘계학술대회 및 임시총회
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    • pp.45-45
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    • 2014
  • Individualities of precious health mushroom called Zhenghonggu@ from respective protections scattered among all main mountains of Fujian China were collected and recognized locally, then compared with Russula griseocarnosa. Their internal transcribed spacer (ITS) region (ITS1, ITS2 and 5.8S rDNA) of the nuclear rDNA were amplified, AMOVA analyzed, nested clade analyzed and then compared with the ITS sequences of relative Russula species from other regions of China to confirm the taxonomic status of Zhenghonggu$^@$ and its population structure. Total 23 haplotypes from different protections of Fujian can be clustered into three clades similar to the three lineages of Dahongjun$^@$ from southeastern China reported by Li et al. The geographic distribution characteristic of these three phylogeny clades may be closely coupled with the vegetation regionalization and/or the differences of coenosium construction of Fagaceae that is the host of Russula griseocarnosa. The correlation of taxonomy, phylogeny and geographical distribution of Russula are discussed.

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간호대학생의 건강관심도와 건강증진행위와의 관계: 건강관리 자기효능감의 매개효과 (The Relationship between Health Consciousness and Health Promoting Behavior among Nursing College Students: The Mediating Effect of Health Self-efficacy)

  • 김세시라;김은아
    • 한국응용과학기술학회지
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    • 제40권5호
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    • pp.1055-1064
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    • 2023
  • 본 연구는 간호대학생의 건강관심도와 건강증진행위와의 관계에서 건강관리 자기효능감의 매개효과를 규명하기 위해 시행되었다. 연구 대상자는 G시와 J도에 소재한 4개 대학교의 간호학과 재학생 255명이다. 수집된 자료는 SPSS 25.0프로그램을 이용하여 기술통계와 t-test, ANOVA, Pearson correlation, 회귀분석을 시행하였으며 매개효과 검증을 위해 Sobel test를 실시하였다. 연구결과, 건강관리 자기효능감은 건강관심도와 건강증진행위 사이에서 부분매개효과를 나타냈고(Z=5.54, p<.001), 건강관심도와(β=.20, p<.001) 건강관리 자기효능감이(β=.39, p<.001) 높을수록 건강증진행위 수준이 높아지며, 건강증진행위를 설명하는 설명력(R2)은 48%이었다. 따라서 간호대학생의 건강증진행위를 향상시키기 위해서는 건강관심도를 높일 뿐만 아니라 건강관리 자기효능감을 동시에 강화시킬 수 있는 효과적인 전략 마련이 필요하다.