In the present study, we examined the effect of pertussis toxin (PTX) administered centrally in a variety of stress-induced blood glucose level. Mice were exposed to stress after the pretreatment of PTX (0.05 or 0.1 mg) i.c.v. or i.t. once for 6 days. Blood glucose level was measured at 0, 30, 60 and 120 min after stress stimulation. The blood glucose level was increased in all stress groups. The blood glucose level reached at maximum level after 30 min of stress stimulation and returned to a normal level after 2 h of stress stimulation in restraint stress, physical, and emotional stress groups. The blood glucose level induced by cold-water swimming stress was gradually increased up to 1 h and returned to the normal level. The intracerebroventricular (i.c.v.) or intrathecal (i.t.) pretreatment with PTX, a $G_i$ inhibitor, alone produced a hypoglycemia and almost abolished the elevation of the blood level induced by stress stimulation. The central pretreatment with PTX caused a reduction of plasma insulin level, whereas plasma corticosterone level was further up-regulated in all stress models. Our results suggest that the hyperglycemia produced by physical stress, emotional stress, restraint stress, and the cold-water swimming stress appear to be mediated by activation of centrally located PTX-sensitive G proteins. The reduction of blood glucose level by PTX appears to due to the reduction of plasma insulin level. The reduction of blood glucose level by PTX was accompanied by the reduction of plasma insulin level. Plasma corticosterone level up-regulation by PTX in stress models may be due to a blood glucose homeostatic mechanism.
The Journal of Korean Academic Society of Nursing Education
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v.12
no.2
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pp.238-247
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2006
The purpose of this study is to investigate the relationship between nurslng students' self-differentiation, their stress level and stress coping strategies. And following research questions were established. First, what is the difference of the stress level depending on the self-differentiation? Second, what is the difference of stress coping strategies in accordance with the self-differentiation? Participants for this study were 159 students selected from the 1st grades of G University, located in Incheon Metropolitan city. SPSS 10.0 statistic program was taken for drawing its frequency, percentage, average and standard deviation. And t-test, F-test, correlation and multiple regression were conducted. The results are summarized as follows: 1. The mean score for the level of self- differentiation, level of stress, level of stress coping strategies were 3.59, 2.50, 3.35. 2. The relationship between self-differentiation and stress level revealed a negative significant correlation 3. The relationship between self-differentiation and stress coping strategies revealed a no significant correlation. 4. The relationship between stress level and stress coping strategies revealed a no significant correlation. Conclusion: The results of investigating the variation differences depending on stress level, self-differentiation, and stress coping strategies were revealed self-differentiation and stress coping strategies explained stress level by 28.6%.
This study was conducted to evaluate the differences of perceived stress level and stress coping behavior for 360 elementary school children in rural area and 360 in urban area. The questionnaire survey was done from December 10 to December 20, 2001. The results were as follows: 1. There was no significant difference of perceived stress level between rural and urban areas, but there were significant difference of stress coping behavior between them. 2. Significant difference of perceived stress level and stress coping behavior among groups of grade was found. 3. There was significant difference of perceived stress level and stress coping behavior between male and female. 4. There was significant difference of stress coping behavior according to perceived stress levels In conclusion, perceived stress level and stress coping behavior in elementary school children were different according to their grade and sex. It is important to teach them proper stress coping method, depending on their grade and sex. But, we have to focus on the development and application of stress self-control program, which enables children to cope with stress for themselves. Based on: 1. Before starting the study, the subjects should be examined about whether they have ever been on stress education program before or not. 2. The educational environments and the development and implementation of teaching program for the proper stress coping method are needed. 3. This study was performed through the questionnaire for perceived stress level and stress coping behavior, but various methods like observation, person-to-person interview should be used for the further in-depth study.
In this study, I examine whether differences in the levels of stress exist with regard to the police department size. To accomplish this, a way ANOVA analysis of variance(One-way ANOVA) was conducted. As a result, a significant difference was found in Job stress and traumatic stress according to the department size and grade. Specifically, first, in the job stress level on the department size, the smaller department size was, the higher job stress level was and the bigger department size was, the lower job stress level was. Second, in the traumatic stress level on the department size, the smaller department size was, the higher traumatic stress level was and the bigger department size was, the lower traumatic stress level was. Third, in the job stress level on the department grade, the lower department grade was, the lower job stress level was and the higher department grade was, the higher job stress level was. Fourth, in the traumatic stress level on the department grade, the lower department grade was, the lower traumatic stress level was and the higher department grade was, the higher traumatic stress level was.
International conference on construction engineering and project management
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2020.12a
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pp.169-178
/
2020
This paper presents a study investigating the relationship between stress level and reworks for construction professionals. As employees' work-life balance (WLB) becomes more important nowadays, controlling the level of stress in the workplace becomes more important as occupational stress has negative impacts on WLB. Reworks can be one severe occupational stressor as people suffer from stress when they need to redo their works. This study hypothesizes that there is a positive correlation between reworks and level of stress, meaning that people tend to show high level of stress when they need to redo their works. The hypothesis will be tested by checking the stress level when engineers redo their works because of changes or errors. An electroencephalography (EEG) sensor will be used to measure the stress level of engineers when they redo their works. For more accurate measure of stress, the stress level will also be measured by the galvanic skin response (GSR). This experiment is expected to prove that rework process is a severe stressor for construction professionals, which will contribute to lower productivity and poorer WLB. The finding will emphasize the importance of managing reworks in the construction industry, which will eventually help construction managers to control the level of employees' stress successfully.
This study of purpose was to define the relationship between the stress and climacteric symptoms of middle-aged women in order to provide basic data for the development of women's health care program as nursing intervention. The research tools used were a Soon-Young Park's stress questionnaire (4 points scale) and a self diagnostic MENSI scale (3 points scale) developed by a research team of Ill-Yang Pharmacy Co. This research was conducted in Korea in Muan-Gun. Chonnam province, from 22th November to 20th December 1999. The research used a survey design. Seven hundred eleven healthy middle-aged women, aged 40 to 64, and were a convenience sample by stratified ratio using the matching fixed residential and aging blocks. The data were analyzed by GLM. Pearson correlation coefficient and Scheffe test using SAS/ PC+. The results were summarized as follows : 1. The percentage of psychological stress with the following items was: fatigue and enervation, 70.0%; nervous, 61.8%; weakness, 58.5%; The percentage of physical stress with the following items were ; fatigue of eye. 82.3%; backache, 78.0%; headache, 73.8%. 2. The level of psychological stress was 40% of below average level (0-5 points), 31.7 of average level (6-12points), 20.8% of precaution level (13-19 points), and 7.5% of warning level (over 20points). The level of physical stress were 20.1% of below average level (0-5 points), 34.8 of average level (6-12 points), 29.4 of precaution level (13-19 points), and 15.7% of warning level (over 20 points). There were higher physical stress level than psychological stress level of the subjects. 3. The percentage of climacteric symptoms with the following items were : numbness, 75.3%; forgetfulness, 71.0%; pain of joints, 71.0%. The level of climacteric symptoms were 61.8% of mild level 1(10-15 points), 33.0% of moderate level (16-30 points), 5.2% of severe level (over 31 points). 4. There were high positive correlations significantly between the climacteric symptoms and the psychological stress (r=.564. P<0.000), and between the climacteric symptoms and the physical stress of the subjects(r=.678, P<0.000). 5. There were significant differences in the climacteric symptoms of the subjects among below average level, average level, precaution level, and warning level of the psychological stress (F=74.108. P<0.000. Scheffe test). 6. There were significant differences in the climacteric symptoms of the subjects among below average level, average level and precaution level, and warning level of the physical stress ((F=128.181, P<0.000, Scheffe test). In summary, climacteric symptoms complained by middle-aged women are high positive correlated to the level of the stress. Also climacteric symptoms were affected by stress.
Journal of Korean Academy of Fundamentals of Nursing
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v.14
no.1
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pp.120-127
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2007
Purpose: This study was done to identify the level of stress, hardiness, and professional burnout of intensive care unit (ICU) nurses and to provide basic data for the qualitative improvement of nursing work achievement in the workplace. Method: The data were obtained from 129 ICU nurses through a questionnaire. Results: Stress showed positive correlation with the level of professional burnout and there was negative correlation between hardiness and professional burnout. Nurses in the group with a high level of stress, and a high level of hardiness reported a low level of professional burnout compared to those in the group with a lower level of hardiness (t=-2.60, p= .012). Nurses in the group with a low level of hardiness and a low level of stress showed a lower level of professional burnout than those with a high level of stress (t=3.51, p= .001). Conclusion: The results show that the high level of stress when coupled with a low level of hardiness of ICU nurses results in a high level of professional burnout. For this reason, it is important for nursing administration to support nurses to reduce levels of stress and the resulting burnout in ICU nurses.
Purpose: To investigate associations of perceived stress level, serum cortisol level, and telomere length of community-dwelling adults in Korea. Methods: Data of a total of 135 community-dwelling adults aged over 40 years living in D metropolitan city from December 2020 to March 2021 were collected. Perceived stress level over the past month were measured using the Perceived Stress Score. Serum cortisol level was analyzed using a chemiluminescent microparticle immunoassay. Telomere length was determined using quantitative real-time polymerase chain reaction. The statistical package SPSS 23.0 was used to perform Chi-square test, independent t-test, and Pearson's correlation coefficient analysis. Results: There was no association between perceived stress and serum cortisol level (r = .07, p= .402). Serum cortisol level was not significantly associated with telomere length either (r = -.15, p= .081). However, the higher the perceived stress level, the shorter the telomere length (r= -.29, p= .001). Conclusion: These results suggest that perceived stress might induce physiological stress, which might partially affect gene biology. Further longitudinal research is needed to investigate the effect of perceived stress on telomere length. Intervention for relieving stress should be included in stabilizing the genetic environment of adults.
Journal of Korean Home Economics Education Association
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v.8
no.1
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pp.59-78
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1996
The purpose of this study were to investigate adolescents’level of stress, and coping behavior of stress as related to socio-demographic variables. The subjects were 270 first-grade middle school students and 258 first-grade high school students in Ansan. The data were analyzed by S.A.S. Program Package, the statistical methods of Frequency, Percentage, Mean, Standard deviation, T-test, One-way Anova, DMR(Duncan’s Multiple Range Test) The results of this study were as followed:1) The general tendency of adolescents’level of stress, and coping behavior of stress were that high school students experienced more stress than middle school students and both experienced more stress in school life than in family life. 2) According to personal variable, there were differences in the grade and scholarly attainment in the low-level stress group. According to parents variables, the level of stress differed significantly according to mother’s school career and father’s occupation in the low-level-stress group. There was significant difference in accordance with mother’s occupation in the high-level-stress group. 3) The coping behavior of stress according to adolescent variables differed significantly according to grades, the monthly income of the household, mother’s level of education and the father’s occupation.
Journal of the Korean Society of Clothing and Textiles
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v.47
no.6
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pp.1193-1203
/
2023
This study aims to provide primary data regarding the thermal stress of disposable personal protective coveralls. Thermal stress and surface temperature measurements were taken among ten men wearing coveralls. The size of the ten men corresponds to a size eight in Size Korea. As a result of thermal stress, sensations of humidity and discomfort were higher when wearing Level C compared to Level D. Level D felt significant thermal stress in their upper body after exercise. However, they did not feel such stress in their lower body. Level C felt thermal stress in their upper and lower body after exercise. In addition, in Level C, the ratings of perceived exertion blood pressure and pulse rate after exercise were higher than those of Level D. Furthermore, the surface temperature of disposable personal protective coveralls among Level C was slightly higher than that of Level D.
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