• Journal of Korean Public Health Nursing
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• v.33 no.2
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• pp.163-174
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• 2019

Purpose: The purpose of this study was to identify the effects of job stress, depression and fatigue on sleep quality of care workers employed in long-term care facilities. Methods: The participants were 213 care workers who worked in 11 long-term care facilities. The collected data was analyzed by descriptive statistics, t-test, ANOVA, Pearson's correlation coefficient and multiple linear regression with using the SPSS 23.0 program. Results: We found that patient-related job stress was the greatest stressor among care workers' job stresses. A significant difference in sleep quality was observed according to the self-perceived health status of the care workers. The care workers' sleep quality was negatively correlated with job stress (r=-.16, p=.018), depression (r=-.31, p<.001) and fatigue (r=-.29, p<.001). The influencing factors of sleep quality were depression (${\beta}=-0.22$, p=.001) and fatigue (${\beta}=-0.15$, p=.047). Conclusion: It is necessary to improve the health status and sleep quality of care workers by developing and applying health promotion programs to reduce the depression and fatigue of the care worker. This will ultimately improve the quality of service care for the patients.

• Korean Journal of Occupational Health Nursing
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• v.31 no.1
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• pp.22-30
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• 2022

Purpose: This study aimed to identify the mediating effect of Psychological stress of COVID-19 stress on the relationship between nursing work environment and turnover intention of nurses in long-term care hospitals. Methods: The participants were 176 nurses working at three long-term care hospitals in Changwon City. Data were collected from August 11 to 14, 2021, using self-report questionnaires. The data were analyzed using descriptive statistics, t-test, ANOVA, Pearson's correlation coefficients, and hierarchical regression, using the SPSS 23.0 software. A mediation analysis was performed according to the Baron and Kenny's test, and Sobel test. Results: Turnover intention was positively correlated with Psychological stress of COVID-19 stress (r=.23, p=.002) and negatively correlated with nursing work environment (r=-.44, p<.001). Psychological stress of COVID-19 stress had a significantly negative relationship with nursing work environment (r=-.15, p=.045). Psychological stress of COVID-19 stress partially mediated the relationship between nursing work environment and turnover intention. Conclusion: The findings of this study indicate that a positive nursing work environment can help nurses reduce their Psychological stress of COVID-19 stress and turnover intention. To reduce the turnover intention among nurses' in long-term care, it is necessary to promote better work environments suitable for COVID-19 and to establish detailed strategies for reducing their physiological stress.

• Journal of the Korea Convergence Society
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• v.8 no.6
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• pp.325-336
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• 2017

In this study to identify a causal relationship between daily stress, ego-resilience and the quality of life of the elderly in long-term care facility, a causal relationship model was set up and path analysis was performed. The data collected from 380 elderly users in private long-term care facilities in Greater Seoul Metropolitan area were analyzed using SPSS 22.0 and AMOS 22.0 to analyze the correlation between daily stress, ego-resilience, and the quality of life of the elderly. The results of this study are as follows; First, daily stress of the elderly showed a negative (-) direct effect on the quality of life. Second, the ego-resilience of the elderly had a positive (+) direct effect on the quality of life. Third, daily stress of the elderly showed a positive (+) direct effect on ego-resilience. Fourth, daily stress of the elderly showed indirect effect and partial mediating effect on the quality of life through ego-resilience. Therefore, in order to improve the quality of life of the elderly, it is necessary to develop programs and institutional support to reduce daily stress and increase ego-resilience.

• Proceedings of the Korean Geotechical Society Conference
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• 1997.10a
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• pp.307-314
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• 1997

• 한국노년학
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• v.29 no.3
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• pp.1183-1196
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• 2009

The purpose of this study was to investigate the influences of characteristics of the long-term care elderly and caregivers on caregivers' stress. The data of this study were collected from 105 long-term care elderly caregivers with 3 grade in Pusan, Daegu, and Gyung-buk area. The results showed that each stress of caregivers was influenced by diverse characteristics in various ways. Time-dependent stress of caregivers was influenced by elderly dependency and caregivers' health. Self-development stress of caregivers was influenced by elderly dependency, caregivers' health, caregivers' age, and relationship quality. Physical stress of caregivers was influenced by elderly dependency and caregivers' health. Social stress of caregivers was influenced by elderly dependency, caregivers' health, and relationship quality. Emotional stress of caregivers was influenced by relationship quality between the elderly and caregivers. These results indicated that the caregivers' stress was influenced not only physical characteristics of the elderly and the caregivers but also relational characteristics.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.16 no.9
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• pp.6152-6159
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• 2015

The purpose of the study was to explore job stress, coping strategies and life satisfaction, and to identify related factors in long-term care workers. A cross-sectional study was used to study 111 long-term care workers in Gyeonggi-do. Questionnaires were given to the workers, and data were collected between 1 February and 30 March 2015. The data were analyzed using a stress scale, and a life-satisfaction index. The major findings were: 1) The type of facility was a significant factor in life satisfaction of long-term care workers (F=4.11, p=.020). 2) A statistically significant relationship existed between job stress(r=-.46, p<.001), coping strategies(r=.21, p=.040) and life satisfaction. 3) The results of the regression analyses showed that job stress, coping strategies, and type of facility were statistically significant in predicting the life satisfaction level of long-term care workers. The result of this study provides a better understanding of job stress, coping strategies, and life satisfaction in long-term care workers.

• Science of Emotion and Sensibility
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• v.2 no.2
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• pp.37-42
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• 1999

Long-term exposure to loud noise affects performance since it changes arousal level, distracts attention, and also is able to evoke subjective stress accompanied by negative emotional states. The purpose of the study was to analyze dynamics of subjective and physiological variables during a relatively long-lasting (30 min) exposure to white noise (85 dB[A]). Physiological signals were recorded on 15 college students during 30 min of intense auditory stimulation. Autonomic variables, namely skin conductance level , non-specific SCR number, inter-best intervals in ECG, heart rate variability index (HF/LF ratio of HRV), skin temperature, as well as respiration rate were analyzed on 5 min epoch basis. Psychological assessment (subjective rating of stress level) was also repeated every 5 min. Statistical analysis was employed to trace the time course of the dynamics of subjective and autonomic physiological variables and their relationships. Results showed that the intense noise evoked subjective stress as well as associated autonomic nervous system responses. However it was shown that physiological variables endured specific changes in the process of exposure to the loud white noise. Discussed were probable psychophysiological mechanisms mediating reactivity to long-term auditory stimulation of high intensity, namely short-term activation, followed by transient adaptation (with relatively stable autonomic balance) and then a subsequent wave of arousal due to tonic sympathetic dominance.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2006.05a
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• pp.817-820
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• 2006

The Tonpilz transducer is one of the essential elements in active sonar application. The characteristics of transducer depend on the piezoelectric ceramics and mechanical elements such as head mass, tail mass, pre-stress rod and so on. One of the important characteristics is electric and mechanical stability of transducer for long term high power transmitting operation. This parer presents the results about long term endurance tests of the underwater acoustic transducer.

• Proceedings of the Korea Concrete Institute Conference
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• 1998.10a
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• pp.462-467
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• 1998

A rational method for prediction of long-term deflections of reinforced concrete beams under sustained loads was proposed. Strain and stress distributions of uncracked and fully cracked sections after creep and shrinkage were determined from the requirements of strain compatibility and force equilibrium of a section, and then long-term deflections were calculated from the section analysis results. In fully cracked section analysis, noncoincidence of the neutral axis of strain and the neutral axis of stress after creep and shrinkage was taken into account. The accuracy of the proposed method was verified by comparison with several experimental measurements of beam deflections. The proposed approximate procedure gave the better predictions than the existing approximate methods. At the same time, the proposed method also retained simplicity of the calculation, since maximum long-term deflection could be obtained without tedious integration of the curvatures.

• Proceedings of the Korea Concrete Institute Conference
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• 2001.11a
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• pp.197-202
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• 2001

It is necessary to Investigate long-term behavior of vertical members such as column and shear wall because the long-term behavior induces the serviceability problem of reinforce-concrete structures. However, the long-term behavior on shear wall has not been fully studied. Experimental works are performed to understand the time dependent behavior of shear wall, especially the effect of loading area in this research. Three different types of cross sections are adopted, i.e., 10$\times$10 cm, 10$\times$30 cm, and 10$\times$50 cm with the same loading area of 10$\times$10 cm. The creep strains were different from point to point in the section of the shear wall specimen because of the nonlinear stress distribution. The effect of the nonlinear stress distribution was larger in the specimen with the larger width.