• Journal of Korean Academy of Nursing
• /
• v.37 no.4
• /
• pp.549-557
• /
• 2007

Purpose: The purpose of this study was to identify the relationship among job stress, family stress and perceived health status of middle school teachers and to present basic information about promoting health and coping with stress. Method: Participants(N=547) was recruited in B city from November 2005 to December 2005. Data were analyzed with descriptive statistics, t-test, ANOVA, Pearson's correlation and multiple regression. Results: The degree of Job stress of the middle school teachers was 54.47 out of a total score of 88; that of family stress was 46.57 out of a total score of 96; and that of perceived health status was 78.59 out of the perfect score 100. There was a significantly negative relationship between job stress and perceived health status (r=-.274, p<.001), and family stress and perceived health status(r=-.408, p<.001). However, there was a positive relationship between job stress and family stress(r=.298, p<.001).Family stress, gender, charging subject, job stress, charging grade and number of family member was 27.1% of the variance in perceived health status of middle school teachers. Conclusion: Family stress has the most important impact on perceived health status with middle school teachers. Based on the finding, we could conclude that both job stress and family stress management should be required to improve perceived health status.

• Journal of Ginseng Research
• /
• v.44 no.2
• /
• pp.267-273
• /
• 2020

Background: Continuous exposure to high temperatures can lead to heat stress. This stress response alters the expression of multiple genes and can contribute to the onset of various diseases. In particular, heat stress induces oxidative stress by increasing the production of reactive oxygen species. The liver is an essential organ that plays a variety of roles, such as detoxification and protein synthesis. Therefore, it is important to protect the liver from oxidative stress caused by heat stress. Korean ginseng has a variety of beneficial biological properties, and our previous studies showed that it provides an effective defense against heat stress. Methods: We investigated the ability of Korean Red Ginseng and Korean black ginseng extracts (JP5 and BG1) to protect against heat stress using a rat model. We then confirmed the active ingredients and mechanism of action using a cell-based model. Results: Heat stress significantly increased gene and protein expression of oxidative stress-related factors such as catalase and SOD2, but treatment with JP5 (Korean Red Ginseng extract) and BG1 (Korean black ginseng extract) abolished this response in both liver tissue and HepG2 cells. In addition, JP5 and BG1 inhibited the expression of inflammatory proteins such as p-NF-κB and tumor necrosis factor alpha-α. In particular, JP5 and BG1 decreased the expression of components of the NLRP3 inflammasome, a key inflammatory signaling factor. Thus, JP5 and BG1 inhibited both oxidative stress and inflammation. Conclusions: JP5 and BG1 protect against oxidative stress and inflammation induced by heat stress and help maintain liver function by preventing liver damage.

• Journal of Digital Convergence
• /
• v.14 no.1
• /
• pp.291-303
• /
• 2016

The purpose of this study has been done to identify the influencing factors on rehabilitation motive of stroke patients. A sample of 138 stroke patients in Long-term Care and rehabilitation hospitals completed questionnaires through face - to - face interviews. Data were analyzed using descriptive statistics, t-test, ANOVA, Pearson's correlation coefficient, and Stepwise multiple regression. Rehabilitation motive of stroke pacients was correlated with empowerment (r=.467, p<.001), but not with perceived stress(r=.-.186, p=.029). In a multiple regression, empowerment (${\beta}=.432$, p<.001) and primary care-giver (${\beta}=.175$, p=.023) were associated with rehabilitation motive. These factors attributed to 24% of the total variance in rehabilitation motive. Therefore, the study finding suggests that these significant factors should be considered when developing and implementing convergent care strategies for stroke patients in order to promote their rehabilitation motive.

• Smart Structures and Systems
• /
• v.22 no.6
• /
• pp.675-687
• /
• 2018

In the previous studies on the porous rock strength the effect of pore number and its diameter is not explicitly defined. In this paper crack initiation, propagation and coalescence in Brazilian model disc containing a single cylindrical hole and or multiple holes have been studied numerically using PFC3D. In model with internal hole, the ratio of hole diameter to model diameter was varied between 0.03, 0.17, 0.25, 0.33, and 0.42. In model with multiple hole number of holes was different in various model, i.e., one hole, two holes, three holes, four holes, five holes, six holes, seven holes, eight holes and nine holes. Diameter of these holes was 5 mm, 10 mm and 12 mm. The pre-holed Brazilian discs are numerically tested under Brazilian test. The breakage load in the ring type disc specimens containing an internal hole with varying diameters is measured. The mechanism of cracks propagation in the wall of the ring type specimens is also studied. In the case of multi-hole Brazilian disc, the cracks propagation and b cracks coalescence are also investigated. The results shows that breaking of the pre-holed disc specimens is due to the propagation of radially induced tensile cracks initiated from the surface of the central hole and propagating toward the direction of diametrical loading. In the case of disc specimens with multiple holes, the cracks propagation and cracks coalescence may occur simultaneously in the breaking process of model under diametrical compressive loading. Finally the results shows that the failure stress and crack initiation stress decreases by increasing the hole diameter. Also, the failure stress decreases by increasing the number of hole which mobilized in failure. The results of these simulations were comprised with other experimental and numerical test results. It has been shown that the numerical and experimental results are in good agreement with each other.

• Journal of Korean Biological Nursing Science
• /
• v.24 no.1
• /
• pp.1-16
• /
• 2022

Purpose: Recently, oxytocin has been introduced experimentally as a pharmacological treatment for post-traumatic stress disorder (PTSD). This study attempted to investigate the possibility of oxytocin as a treatment option for patients with PTSD by examining its dose, interval, and effectiveness in patients with PTSD. Methods: A systematic review was done on articles published from 1967 to 2020 using the PubMed, PsycINFO, and Cochrane databases. Our inclusion criteria were 1) subjects 18 years of age or older diagnosed with PTSD or exposed to a traumatic event that met criterion A of the Diagnostic and Statistical Manual of Mental Disorders (DSM) for PTSD, 2) oxytocin was administered at least once, 3) clinical trials, and 4) studies published in Korean or English. Two independent researchers reviewed 22 articles and recorded the contents. The risk of bias was evaluated to determine the quality of the reviewed article. Results: The parameters for evaluating the effectiveness of oxytocin were identified as socio-behavioral measures in 11 articles, neuronal imaging in 9, and biomarkers in 4. In 5 papers, oxytocin was administered multiple times. Socio-behavioral measures were improved in 3 out of 5 studies in which oxytocin was administered multiple times. In 2 studies in which prolonged exposure treatment and nasal oxytocin administration were combined for 10 weeks, patient symptoms were decreased compared to the control group. Conclusion: The possibility of oxytocin as an adjuvant treatment for PTSD psychotherapy was confirmed. Further studies are necessary to evaluate the long term effectiveness of administering oxytocin multiple times combined with psychotherapy.

• Journal of Industrial Convergence
• /
• v.22 no.4
• /
• pp.39-48
• /
• 2024

This study is a descriptive research study to determine the stress, resilience, and social support of nurses who cared for COVID-19 patients and the impact on post-traumatic growth. The survey was conducted on 179 nurses who cared for COVID-19 patients at a general hospital located in D City from July 19, 2021, to August 10, 2021. The collected data were analyzed using descriptive statistics, t-test, ANOVA, Pearson's correlation coefficient, and multiple regression analysis using SPSS 22.0. Post-traumatic growth showed a significant positive correlation with resilience (r=.499, p=<.001) and social support (r=.494, p=<.001). As a result of multiple regression analysis, prior knowledge about COVID-19 (𝛽=.142, p=.023), resilience (𝛽=.330, p =<.001), and social support (𝛽=.296, p =<.001) was a significant variable affecting post-traumatic growth. These results will be used as basic data to improve nurses' post-traumatic growth.

• The Journal of Korean society of community based occupational therapy
• /
• v.10 no.1
• /
• pp.63-72
• /
• 2020

Objective : The purpose of this study is to identify and understand the internal and external control of the caregivers of elderly with severe dementia and the effects of care stress on depression, and to provide basic data of occupational therapy intervention. Methods : The internal and external control, care stress, and depression were examined in questionnaires for the caregivers of elderly who were diagnosed with moderate or higher degree of dementia through CDR by medical institutions. Internal and external control and depression by care stress was analyzed by using independent samples t-test and ANOVA, and the effects of internal and external control and care stress on depression were analyzed by performing multiple regression analysis. Results : The results were as follow; The first, there was a significant degree of depression according to difference of internal and external control. The second, there was a significant degree of classification in the care stress. The third, the effects of internal controls and care stress on depression were shown to be statistically significant. Conclusion : Based on the analyzed results, the caregivers of elderly with severe dementia needs to seek the role of a occupational therapist who can enhance internal control and lower care stress in intervention of occupational therapy because internal control and care stress can affect depression.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.18 no.3
• /
• pp.94-104
• /
• 2017

This study was conducted to identify the influence of clinical practice stress and the stress coping type on the self-leadership of nursing students. The subjects were 122 nursing students in B city and the data were collected from May 6 to May 13, 2015. The data were analyzed by means of the t-test, ANOVA, Scheff's test, Pearson's correlation coefficients and Stepwise multiple regression. Significant differences were found in the self-leadership by health status (p<.001), interpersonal relationships (p=.001), satisfaction with nursing major (p<.001) and satisfaction with clinical practice (p=.002). Self-leadership was negatively related to clinical practice stress (p=.028) and positively related to stress coping style (p<.001). The meaningful variables which influenced self-leadership were the health status, stress coping type and satisfaction with nursing major. The total explanatory power was 28.1% and the health status was the most influential factor. Therefore, in order to enhance the self-leadership of nursing students, it is necessary for them to maintain a good health condition and to have an effective stress coping type. In addition, methods are needed to increase the satisfaction of nursing major students.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.19 no.9
• /
• pp.243-250
• /
• 2018

This descriptive study was conducted to investigate the factors affecting the mental health of university students. Data were collected from 312 university students by questionnaires and analyzed by t-test, ANOVA, Scheffe's test, correlation analysis, and multiple regression analysis. The mean scores were 1.69, 1.87 and 2.21 out of 5 on Likert scales for mental health, campus life stress and employment stress, respectively. The mean score for self-esteem was 2.27 out of 4 on a Likert scale. Gender and number of close friends affected mental health significantly. Moreover, there was a negative correlation between mental health and self-esteem(r=-.426, p<0.001), while a positive correlation was observed between mental health and campus life stress (r=0.660, p<0.001), and mental health and employment stress(r=.517, p<0.001). Multiple regression analysis showed that campus life stress (${\beta}=.545$), self-esteem(${\beta}=-.145$), and employment stress (${\beta}=0.067$) affected mental health in order, and the three research variables led to a 45.2% prediction for mental health of university students. Based on the results of this study, effective systematic plans for decreasing campus life stress and employment stress and increasing self-esteem are needed to improve the mental health of university students.

• Journal of radiological science and technology
• /
• v.33 no.1
• /
• pp.11-17
• /
• 2010

This study was conducted in order to analyze job stress factors of radiotechnologists in order to inprove the work efficiency and to organize system management plans. For data collection, total 261 radiotechnologists, who work in Busan, took part in structured questionnaire survey. The collected data were analyzed by using SPSS/PC+ Win 13 version. For verification of the differences among groups, one-way ANOVA was executed. For analyzing efficiency of system, which is affected by job stress, multiple regression analysis was taken. First, work stress classified by age group was found as the biggest stress factor among radiotechnologists in their 30s. Among radiotechnologists in their 20s, 40s and 50s, the biggest stress factor was communication problems. In terms of, job stress classified by division, no statistical difference was observed among groups. Second, as the result of system efficiency analysis, high values were found in organizational immersion and job satisfaction among radiotechnologists in their 20s and oncology division has the highest values in concentrating the system and job satisfaction. For this result, statistically significant differences were observed among groups. Third, in terms of the sub-factors of work stress, communication problem was found as the variable that exerted statistically significant impact to organizational effectiveness. However, no statistically significant differences were observed inadministrative and personal problems. Job stress decreases as communication within the organizations or communication with other divisions becomes more successful. In other words, system efficiency can be enhanced by decreasing conflicts within organization through successful communication.